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[/] [openrisc/] [tags/] [gnu-src/] [gdb-7.2/] [gdb-7.2-or32-1.0rc3/] [gdb/] [p-exp.c] - Blame information for rev 330

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1 330 jeremybenn
/* A Bison parser, made by GNU Bison 1.875c.  */
2
 
3
/* Skeleton parser for Yacc-like parsing with Bison,
4
   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
5
 
6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 2, or (at your option)
9
   any later version.
10
 
11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
15
 
16
   You should have received a copy of the GNU General Public License
17
   along with this program; if not, write to the Free Software
18
   Foundation, Inc., 59 Temple Place - Suite 330,
19
   Boston, MA 02111-1307, USA.  */
20
 
21
/* As a special exception, when this file is copied by Bison into a
22
   Bison output file, you may use that output file without restriction.
23
   This special exception was added by the Free Software Foundation
24
   in version 1.24 of Bison.  */
25
 
26
/* Written by Richard Stallman by simplifying the original so called
27
   ``semantic'' parser.  */
28
 
29
/* All symbols defined below should begin with yy or YY, to avoid
30
   infringing on user name space.  This should be done even for local
31
   variables, as they might otherwise be expanded by user macros.
32
   There are some unavoidable exceptions within include files to
33
   define necessary library symbols; they are noted "INFRINGES ON
34
   USER NAME SPACE" below.  */
35
 
36
/* Identify Bison output.  */
37
#define YYBISON 1
38
 
39
/* Skeleton name.  */
40
#define YYSKELETON_NAME "yacc.c"
41
 
42
/* Pure parsers.  */
43
#define YYPURE 0
44
 
45
/* Using locations.  */
46
#define YYLSP_NEEDED 0
47
 
48
 
49
 
50
/* Tokens.  */
51
#ifndef YYTOKENTYPE
52
# define YYTOKENTYPE
53
   /* Put the tokens into the symbol table, so that GDB and other debuggers
54
      know about them.  */
55
   enum yytokentype {
56
     INT = 258,
57
     FLOAT = 259,
58
     STRING = 260,
59
     FIELDNAME = 261,
60
     NAME = 262,
61
     TYPENAME = 263,
62
     NAME_OR_INT = 264,
63
     STRUCT = 265,
64
     CLASS = 266,
65
     SIZEOF = 267,
66
     COLONCOLON = 268,
67
     ERROR = 269,
68
     VARIABLE = 270,
69
     THIS = 271,
70
     TRUEKEYWORD = 272,
71
     FALSEKEYWORD = 273,
72
     ABOVE_COMMA = 274,
73
     ASSIGN = 275,
74
     NOT = 276,
75
     OR = 277,
76
     XOR = 278,
77
     ANDAND = 279,
78
     NOTEQUAL = 280,
79
     GEQ = 281,
80
     LEQ = 282,
81
     MOD = 283,
82
     DIV = 284,
83
     RSH = 285,
84
     LSH = 286,
85
     DECREMENT = 287,
86
     INCREMENT = 288,
87
     UNARY = 289,
88
     ARROW = 290,
89
     BLOCKNAME = 291
90
   };
91
#endif
92
#define INT 258
93
#define FLOAT 259
94
#define STRING 260
95
#define FIELDNAME 261
96
#define NAME 262
97
#define TYPENAME 263
98
#define NAME_OR_INT 264
99
#define STRUCT 265
100
#define CLASS 266
101
#define SIZEOF 267
102
#define COLONCOLON 268
103
#define ERROR 269
104
#define VARIABLE 270
105
#define THIS 271
106
#define TRUEKEYWORD 272
107
#define FALSEKEYWORD 273
108
#define ABOVE_COMMA 274
109
#define ASSIGN 275
110
#define NOT 276
111
#define OR 277
112
#define XOR 278
113
#define ANDAND 279
114
#define NOTEQUAL 280
115
#define GEQ 281
116
#define LEQ 282
117
#define MOD 283
118
#define DIV 284
119
#define RSH 285
120
#define LSH 286
121
#define DECREMENT 287
122
#define INCREMENT 288
123
#define UNARY 289
124
#define ARROW 290
125
#define BLOCKNAME 291
126
 
127
 
128
 
129
 
130
/* Copy the first part of user declarations.  */
131
#line 45 "p-exp.y"
132
 
133
 
134
#include "defs.h"
135
#include "gdb_string.h"
136
#include <ctype.h>
137
#include "expression.h"
138
#include "value.h"
139
#include "parser-defs.h"
140
#include "language.h"
141
#include "p-lang.h"
142
#include "bfd.h" /* Required by objfiles.h.  */
143
#include "symfile.h" /* Required by objfiles.h.  */
144
#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
145
#include "block.h"
146
 
147
#define parse_type builtin_type (parse_gdbarch)
148
 
149
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
150
   as well as gratuitiously global symbol names, so we can have multiple
151
   yacc generated parsers in gdb.  Note that these are only the variables
152
   produced by yacc.  If other parser generators (bison, byacc, etc) produce
153
   additional global names that conflict at link time, then those parser
154
   generators need to be fixed instead of adding those names to this list. */
155
 
156
#define yymaxdepth pascal_maxdepth
157
#define yyparse pascal_parse
158
#define yylex   pascal_lex
159
#define yyerror pascal_error
160
#define yylval  pascal_lval
161
#define yychar  pascal_char
162
#define yydebug pascal_debug
163
#define yypact  pascal_pact     
164
#define yyr1    pascal_r1                       
165
#define yyr2    pascal_r2                       
166
#define yydef   pascal_def              
167
#define yychk   pascal_chk              
168
#define yypgo   pascal_pgo              
169
#define yyact   pascal_act
170
#define yyexca  pascal_exca
171
#define yyerrflag pascal_errflag
172
#define yynerrs pascal_nerrs
173
#define yyps    pascal_ps
174
#define yypv    pascal_pv
175
#define yys     pascal_s
176
#define yy_yys  pascal_yys
177
#define yystate pascal_state
178
#define yytmp   pascal_tmp
179
#define yyv     pascal_v
180
#define yy_yyv  pascal_yyv
181
#define yyval   pascal_val
182
#define yylloc  pascal_lloc
183
#define yyreds  pascal_reds             /* With YYDEBUG defined */
184
#define yytoks  pascal_toks             /* With YYDEBUG defined */
185
#define yyname  pascal_name             /* With YYDEBUG defined */
186
#define yyrule  pascal_rule             /* With YYDEBUG defined */
187
#define yylhs   pascal_yylhs
188
#define yylen   pascal_yylen
189
#define yydefred pascal_yydefred
190
#define yydgoto pascal_yydgoto
191
#define yysindex pascal_yysindex
192
#define yyrindex pascal_yyrindex
193
#define yygindex pascal_yygindex
194
#define yytable  pascal_yytable
195
#define yycheck  pascal_yycheck
196
 
197
#ifndef YYDEBUG
198
#define YYDEBUG 1               /* Default to yydebug support */
199
#endif
200
 
201
#define YYFPRINTF parser_fprintf
202
 
203
int yyparse (void);
204
 
205
static int yylex (void);
206
 
207
void
208
yyerror (char *);
209
 
210
static char * uptok (char *, int);
211
 
212
 
213
/* Enabling traces.  */
214
#ifndef YYDEBUG
215
# define YYDEBUG 0
216
#endif
217
 
218
/* Enabling verbose error messages.  */
219
#ifdef YYERROR_VERBOSE
220
# undef YYERROR_VERBOSE
221
# define YYERROR_VERBOSE 1
222
#else
223
# define YYERROR_VERBOSE 0
224
#endif
225
 
226
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
227
#line 131 "p-exp.y"
228
typedef union YYSTYPE {
229
    LONGEST lval;
230
    struct {
231
      LONGEST val;
232
      struct type *type;
233
    } typed_val_int;
234
    struct {
235
      DOUBLEST dval;
236
      struct type *type;
237
    } typed_val_float;
238
    struct symbol *sym;
239
    struct type *tval;
240
    struct stoken sval;
241
    struct ttype tsym;
242
    struct symtoken ssym;
243
    int voidval;
244
    struct block *bval;
245
    enum exp_opcode opcode;
246
    struct internalvar *ivar;
247
 
248
    struct type **tvec;
249
    int *ivec;
250
  } YYSTYPE;
251
/* Line 191 of yacc.c.  */
252
#line 253 "p-exp.c.tmp"
253
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
254
# define YYSTYPE_IS_DECLARED 1
255
# define YYSTYPE_IS_TRIVIAL 1
256
#endif
257
 
258
 
259
 
260
/* Copy the second part of user declarations.  */
261
#line 155 "p-exp.y"
262
 
263
/* YYSTYPE gets defined by %union */
264
static int
265
parse_number (char *, int, int, YYSTYPE *);
266
 
267
static struct type *current_type;
268
static int leftdiv_is_integer;
269
static void push_current_type (void);
270
static void pop_current_type (void);
271
static int search_field;
272
 
273
 
274
/* Line 214 of yacc.c.  */
275
#line 276 "p-exp.c.tmp"
276
 
277
#if ! defined (yyoverflow) || YYERROR_VERBOSE
278
 
279
# ifndef YYFREE
280
#  define YYFREE xfree
281
# endif
282
# ifndef YYMALLOC
283
#  define YYMALLOC xmalloc
284
# endif
285
 
286
/* The parser invokes alloca or xmalloc; define the necessary symbols.  */
287
 
288
# ifdef YYSTACK_USE_ALLOCA
289
#  if YYSTACK_USE_ALLOCA
290
#   define YYSTACK_ALLOC alloca
291
#  endif
292
# else
293
#  if defined (alloca) || defined (_ALLOCA_H)
294
#   define YYSTACK_ALLOC alloca
295
#  else
296
#   ifdef __GNUC__
297
#    define YYSTACK_ALLOC __builtin_alloca
298
#   endif
299
#  endif
300
# endif
301
 
302
# ifdef YYSTACK_ALLOC
303
   /* Pacify GCC's `empty if-body' warning. */
304
#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
305
# else
306
#  if defined (__STDC__) || defined (__cplusplus)
307
#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
308
#   define YYSIZE_T size_t
309
#  endif
310
#  define YYSTACK_ALLOC YYMALLOC
311
#  define YYSTACK_FREE YYFREE
312
# endif
313
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
314
 
315
 
316
#if (! defined (yyoverflow) \
317
     && (! defined (__cplusplus) \
318
         || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
319
 
320
/* A type that is properly aligned for any stack member.  */
321
union yyalloc
322
{
323
  short yyss;
324
  YYSTYPE yyvs;
325
  };
326
 
327
/* The size of the maximum gap between one aligned stack and the next.  */
328
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
329
 
330
/* The size of an array large to enough to hold all stacks, each with
331
   N elements.  */
332
# define YYSTACK_BYTES(N) \
333
     ((N) * (sizeof (short) + sizeof (YYSTYPE))                         \
334
      + YYSTACK_GAP_MAXIMUM)
335
 
336
/* Copy COUNT objects from FROM to TO.  The source and destination do
337
   not overlap.  */
338
# ifndef YYCOPY
339
#  if defined (__GNUC__) && 1 < __GNUC__
340
#   define YYCOPY(To, From, Count) \
341
      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
342
#  else
343
#   define YYCOPY(To, From, Count)              \
344
      do                                        \
345
        {                                       \
346
          register YYSIZE_T yyi;                \
347
          for (yyi = 0; yyi < (Count); yyi++)    \
348
            (To)[yyi] = (From)[yyi];            \
349
        }                                       \
350
      while (0)
351
#  endif
352
# endif
353
 
354
/* Relocate STACK from its old location to the new one.  The
355
   local variables YYSIZE and YYSTACKSIZE give the old and new number of
356
   elements in the stack, and YYPTR gives the new location of the
357
   stack.  Advance YYPTR to a properly aligned location for the next
358
   stack.  */
359
# define YYSTACK_RELOCATE(Stack)                                        \
360
    do                                                                  \
361
      {                                                                 \
362
        YYSIZE_T yynewbytes;                                            \
363
        YYCOPY (&yyptr->Stack, Stack, yysize);                          \
364
        Stack = &yyptr->Stack;                                          \
365
        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
366
        yyptr += yynewbytes / sizeof (*yyptr);                          \
367
      }                                                                 \
368
    while (0)
369
 
370
#endif
371
 
372
#if defined (__STDC__) || defined (__cplusplus)
373
   typedef signed char yysigned_char;
374
#else
375
   typedef short yysigned_char;
376
#endif
377
 
378
/* YYFINAL -- State number of the termination state. */
379
#define YYFINAL  3
380
/* YYLAST -- Last index in YYTABLE.  */
381
#define YYLAST   387
382
 
383
/* YYNTOKENS -- Number of terminals. */
384
#define YYNTOKENS  52
385
/* YYNNTS -- Number of nonterminals. */
386
#define YYNNTS  20
387
/* YYNRULES -- Number of rules. */
388
#define YYNRULES  74
389
/* YYNRULES -- Number of states. */
390
#define YYNSTATES  123
391
 
392
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
393
#define YYUNDEFTOK  2
394
#define YYMAXUTOK   291
395
 
396
#define YYTRANSLATE(YYX)                                                \
397
  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
398
 
399
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
400
static const unsigned char yytranslate[] =
401
{
402
       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
403
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
404
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
405
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
406
      46,    50,    39,    37,    19,    38,    44,    40,     2,     2,
407
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
408
      28,    26,    29,     2,    36,     2,     2,     2,     2,     2,
409
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
410
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
411
       2,    45,     2,    51,    48,     2,     2,     2,     2,     2,
412
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
413
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
414
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
415
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
416
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
417
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
418
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
419
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
420
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
421
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
422
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
423
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
424
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
425
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
426
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
427
       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
428
       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
429
      15,    16,    17,    18,    20,    21,    22,    23,    24,    25,
430
      27,    30,    31,    32,    33,    34,    35,    41,    42,    43,
431
      47,    49
432
};
433
 
434
#if YYDEBUG
435
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
436
   YYRHS.  */
437
static const unsigned char yyprhs[] =
438
{
439
       0,     0,     3,     4,     7,     9,    11,    13,    15,    19,
440
      22,    25,    28,    31,    36,    41,    42,    47,    48,    54,
441
      55,    61,    62,    64,    68,    73,    77,    81,    82,    87,
442
      91,    95,    99,   103,   107,   111,   115,   119,   123,   127,
443
     131,   135,   139,   143,   147,   151,   153,   155,   157,   159,
444
     161,   163,   165,   170,   175,   177,   179,   181,   185,   189,
445
     193,   195,   198,   200,   202,   204,   207,   209,   212,   215,
446
     217,   219,   221,   223,   225
447
};
448
 
449
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
450
static const yysigned_char yyrhs[] =
451
{
452
      53,     0,    -1,    -1,    54,    55,    -1,    57,    -1,    56,
453
      -1,    68,    -1,    58,    -1,    57,    19,    58,    -1,    58,
454
      48,    -1,    36,    58,    -1,    38,    58,    -1,    22,    58,
455
      -1,    42,    46,    58,    50,    -1,    41,    46,    58,    50,
456
      -1,    -1,    58,    44,    59,     6,    -1,    -1,    58,    45,
457
      60,    57,    51,    -1,    -1,    58,    46,    61,    62,    50,
458
      -1,    -1,    58,    -1,    62,    19,    58,    -1,    68,    46,
459
      58,    50,    -1,    46,    57,    50,    -1,    58,    39,    58,
460
      -1,    -1,    58,    40,    63,    58,    -1,    58,    33,    58,
461
      -1,    58,    32,    58,    -1,    58,    37,    58,    -1,    58,
462
      38,    58,    -1,    58,    35,    58,    -1,    58,    34,    58,
463
      -1,    58,    26,    58,    -1,    58,    27,    58,    -1,    58,
464
      31,    58,    -1,    58,    30,    58,    -1,    58,    28,    58,
465
      -1,    58,    29,    58,    -1,    58,    25,    58,    -1,    58,
466
      24,    58,    -1,    58,    23,    58,    -1,    58,    21,    58,
467
      -1,    17,    -1,    18,    -1,     3,    -1,     9,    -1,     4,
468
      -1,    65,    -1,    15,    -1,    12,    46,    68,    50,    -1,
469
      12,    46,    58,    50,    -1,     5,    -1,    16,    -1,    49,
470
      -1,    64,    13,    70,    -1,    64,    13,    70,    -1,    69,
471
      13,    70,    -1,    66,    -1,    13,    70,    -1,    71,    -1,
472
      69,    -1,    67,    -1,    48,    69,    -1,     8,    -1,    10,
473
      70,    -1,    11,    70,    -1,     7,    -1,    49,    -1,     8,
474
      -1,     9,    -1,     7,    -1,    49,    -1
475
};
476
 
477
/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
478
static const unsigned short yyrline[] =
479
{
480
       0,   235,   235,   235,   243,   244,   247,   254,   255,   260,
481
     266,   272,   276,   280,   284,   288,   288,   303,   301,   331,
482
     328,   343,   344,   346,   350,   365,   371,   375,   375,   395,
483
     399,   403,   407,   411,   415,   419,   425,   431,   437,   443,
484
     449,   455,   459,   463,   467,   471,   478,   485,   493,   505,
485
     513,   516,   520,   528,   531,   556,   583,   600,   610,   625,
486
     640,   641,   669,   738,   749,   753,   755,   757,   760,   768,
487
     769,   770,   771,   774,   775
488
};
489
#endif
490
 
491
#if YYDEBUG || YYERROR_VERBOSE
492
/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
493
   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
494
static const char *const yytname[] =
495
{
496
  "$end", "error", "$undefined", "INT", "FLOAT", "STRING", "FIELDNAME",
497
  "NAME", "TYPENAME", "NAME_OR_INT", "STRUCT", "CLASS", "SIZEOF",
498
  "COLONCOLON", "ERROR", "VARIABLE", "THIS", "TRUEKEYWORD", "FALSEKEYWORD",
499
  "','", "ABOVE_COMMA", "ASSIGN", "NOT", "OR", "XOR", "ANDAND", "'='",
500
  "NOTEQUAL", "'<'", "'>'", "GEQ", "LEQ", "MOD", "DIV", "RSH", "LSH",
501
  "'@'", "'+'", "'-'", "'*'", "'/'", "DECREMENT", "INCREMENT", "UNARY",
502
  "'.'", "'['", "'('", "ARROW", "'^'", "BLOCKNAME", "')'", "']'",
503
  "$accept", "start", "@1", "normal_start", "type_exp", "exp1", "exp",
504
  "@2", "@3", "@4", "arglist", "@5", "block", "variable", "qualified_name",
505
  "ptype", "type", "typebase", "name", "name_not_typename", 0
506
};
507
#endif
508
 
509
# ifdef YYPRINT
510
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
511
   token YYLEX-NUM.  */
512
static const unsigned short yytoknum[] =
513
{
514
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
515
     265,   266,   267,   268,   269,   270,   271,   272,   273,    44,
516
     274,   275,   276,   277,   278,   279,    61,   280,    60,    62,
517
     281,   282,   283,   284,   285,   286,    64,    43,    45,    42,
518
      47,   287,   288,   289,    46,    91,    40,   290,    94,   291,
519
      41,    93
520
};
521
# endif
522
 
523
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
524
static const unsigned char yyr1[] =
525
{
526
       0,    52,    54,    53,    55,    55,    56,    57,    57,    58,
527
      58,    58,    58,    58,    58,    59,    58,    60,    58,    61,
528
      58,    62,    62,    62,    58,    58,    58,    63,    58,    58,
529
      58,    58,    58,    58,    58,    58,    58,    58,    58,    58,
530
      58,    58,    58,    58,    58,    58,    58,    58,    58,    58,
531
      58,    58,    58,    58,    58,    58,    64,    64,    65,    66,
532
      65,    65,    65,    67,    68,    69,    69,    69,    69,    70,
533
      70,    70,    70,    71,    71
534
};
535
 
536
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
537
static const unsigned char yyr2[] =
538
{
539
       0,     2,     0,     2,     1,     1,     1,     1,     3,     2,
540
       2,     2,     2,     4,     4,     0,     4,     0,     5,     0,
541
       5,     0,     1,     3,     4,     3,     3,     0,     4,     3,
542
       3,     3,     3,     3,     3,     3,     3,     3,     3,     3,
543
       3,     3,     3,     3,     3,     1,     1,     1,     1,     1,
544
       1,     1,     4,     4,     1,     1,     1,     3,     3,     3,
545
       1,     2,     1,     1,     1,     2,     1,     2,     2,     1,
546
       1,     1,     1,     1,     1
547
};
548
 
549
/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
550
   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
551
   means the default is an error.  */
552
static const unsigned char yydefact[] =
553
{
554
       2,     0,     0,     1,    47,    49,    54,    73,    66,    48,
555
       0,     0,     0,     0,    51,    55,    45,    46,     0,     0,
556
       0,     0,     0,     0,     0,    74,     3,     5,     4,     7,
557
       0,    50,    60,    64,     6,    63,    62,    69,    71,    72,
558
      70,    67,    68,     0,    61,    12,     0,    10,    11,     0,
559
       0,     0,    65,     0,     0,     0,     0,     0,     0,     0,
560
       0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
561
       0,    27,    15,    17,    19,     9,     0,     0,     0,     0,
562
       0,     0,     0,    25,     8,    44,    43,    42,    41,    35,
563
      36,    39,    40,    38,    37,    30,    29,    34,    33,    31,
564
      32,    26,     0,     0,     0,    21,    58,     0,    59,    53,
565
      52,    14,    13,    28,    16,     0,    22,     0,    24,    18,
566
       0,    20,    23
567
};
568
 
569
/* YYDEFGOTO[NTERM-NUM]. */
570
static const yysigned_char yydefgoto[] =
571
{
572
      -1,     1,     2,    26,    27,    28,    29,   103,   104,   105,
573
     117,   102,    30,    31,    32,    33,    46,    35,    41,    36
574
};
575
 
576
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
577
   STATE-NUM.  */
578
#define YYPACT_NINF -39
579
static const short yypact[] =
580
{
581
     -39,     9,    88,   -39,   -39,   -39,   -39,   -39,   -39,   -39,
582
       4,     4,   -31,     4,   -39,   -39,   -39,   -39,    88,    88,
583
      88,   -26,   -23,    88,     8,    11,   -39,   -39,    14,   229,
584
      15,   -39,   -39,   -39,   -16,    21,   -39,   -39,   -39,   -39,
585
     -39,   -39,   -39,    88,   -39,   -38,   -16,   -38,   -38,    88,
586
      88,     7,   -39,    88,    88,    88,    88,    88,    88,    88,
587
      88,    88,    88,    88,    88,    88,    88,    88,    88,    88,
588
      88,   -39,   -39,   -39,   -39,   -39,     4,    88,     4,   117,
589
     -29,   145,   173,   -39,   229,   229,   254,   278,   301,   322,
590
     322,   339,   339,   339,   339,    27,    27,    27,    27,    68,
591
      68,   -38,    88,    52,    88,    88,    48,   201,   -39,   -39,
592
     -39,   -39,   -39,   -38,   -39,     3,   229,    10,   -39,   -39,
593
      88,   -39,   229
594
};
595
 
596
/* YYPGOTO[NTERM-NUM].  */
597
static const yysigned_char yypgoto[] =
598
{
599
     -39,   -39,   -39,   -39,   -39,   -19,   -18,   -39,   -39,   -39,
600
     -39,   -39,   -39,   -39,   -39,   -39,    12,    38,    -8,   -39
601
};
602
 
603
/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
604
   positive, shift that token.  If negative, reduce the rule which
605
   number is the opposite.  If zero, do what YYDEFACT says.
606
   If YYTABLE_NINF, syntax error.  */
607
#define YYTABLE_NINF -58
608
static const yysigned_char yytable[] =
609
{
610
      45,    47,    48,    42,    51,    44,    72,    73,    74,     3,
611
      75,    37,    38,    39,    34,    43,     8,    77,    10,    11,
612
      49,   110,    53,    50,   -56,    79,    53,     0,    76,   120,
613
      77,    81,    82,    53,    78,    84,    85,    86,    87,    88,
614
      89,    90,    91,    92,    93,    94,    95,    96,    97,    98,
615
      99,   100,   101,    40,   119,    80,    24,    83,   114,   107,
616
     121,   -57,    52,     0,    68,    69,    70,    71,   106,     0,
617
     108,    72,    73,    74,     0,    75,     0,     0,     0,     0,
618
       0,     0,     0,     0,   113,   115,     0,   116,     0,     0,
619
       0,     4,     5,     6,     0,     7,     8,     9,    10,    11,
620
      12,    13,   122,    14,    15,    16,    17,    70,    71,     0,
621
      18,     0,    72,    73,    74,     0,    75,     0,     0,     0,
622
       0,     0,     0,     0,    19,     0,    20,     0,     0,    21,
623
      22,     0,     0,     0,    23,     0,    24,    25,    54,     0,
624
      55,    56,    57,    58,    59,    60,    61,    62,    63,    64,
625
      65,    66,    67,     0,    68,    69,    70,    71,     0,     0,
626
       0,    72,    73,    74,     0,    75,    54,   109,    55,    56,
627
      57,    58,    59,    60,    61,    62,    63,    64,    65,    66,
628
      67,     0,    68,    69,    70,    71,     0,     0,     0,    72,
629
      73,    74,     0,    75,    54,   111,    55,    56,    57,    58,
630
      59,    60,    61,    62,    63,    64,    65,    66,    67,     0,
631
      68,    69,    70,    71,     0,     0,     0,    72,    73,    74,
632
       0,    75,    54,   112,    55,    56,    57,    58,    59,    60,
633
      61,    62,    63,    64,    65,    66,    67,     0,    68,    69,
634
      70,    71,     0,     0,     0,    72,    73,    74,     0,    75,
635
      54,   118,    55,    56,    57,    58,    59,    60,    61,    62,
636
      63,    64,    65,    66,    67,     0,    68,    69,    70,    71,
637
       0,     0,     0,    72,    73,    74,     0,    75,    56,    57,
638
      58,    59,    60,    61,    62,    63,    64,    65,    66,    67,
639
       0,    68,    69,    70,    71,     0,     0,     0,    72,    73,
640
      74,     0,    75,    57,    58,    59,    60,    61,    62,    63,
641
      64,    65,    66,    67,     0,    68,    69,    70,    71,     0,
642
       0,     0,    72,    73,    74,     0,    75,    58,    59,    60,
643
      61,    62,    63,    64,    65,    66,    67,     0,    68,    69,
644
      70,    71,     0,     0,     0,    72,    73,    74,     0,    75,
645
      60,    61,    62,    63,    64,    65,    66,    67,     0,    68,
646
      69,    70,    71,     0,     0,     0,    72,    73,    74,     0,
647
      75,    64,    65,    66,    67,     0,    68,    69,    70,    71,
648
       0,     0,     0,    72,    73,    74,     0,    75
649
};
650
 
651
static const yysigned_char yycheck[] =
652
{
653
      18,    19,    20,    11,    23,    13,    44,    45,    46,     0,
654
      48,     7,     8,     9,     2,    46,     8,    46,    10,    11,
655
      46,    50,    19,    46,    13,    43,    19,    -1,    13,    19,
656
      46,    49,    50,    19,    13,    53,    54,    55,    56,    57,
657
      58,    59,    60,    61,    62,    63,    64,    65,    66,    67,
658
      68,    69,    70,    49,    51,    43,    48,    50,     6,    77,
659
      50,    13,    24,    -1,    37,    38,    39,    40,    76,    -1,
660
      78,    44,    45,    46,    -1,    48,    -1,    -1,    -1,    -1,
661
      -1,    -1,    -1,    -1,   102,   104,    -1,   105,    -1,    -1,
662
      -1,     3,     4,     5,    -1,     7,     8,     9,    10,    11,
663
      12,    13,   120,    15,    16,    17,    18,    39,    40,    -1,
664
      22,    -1,    44,    45,    46,    -1,    48,    -1,    -1,    -1,
665
      -1,    -1,    -1,    -1,    36,    -1,    38,    -1,    -1,    41,
666
      42,    -1,    -1,    -1,    46,    -1,    48,    49,    21,    -1,
667
      23,    24,    25,    26,    27,    28,    29,    30,    31,    32,
668
      33,    34,    35,    -1,    37,    38,    39,    40,    -1,    -1,
669
      -1,    44,    45,    46,    -1,    48,    21,    50,    23,    24,
670
      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
671
      35,    -1,    37,    38,    39,    40,    -1,    -1,    -1,    44,
672
      45,    46,    -1,    48,    21,    50,    23,    24,    25,    26,
673
      27,    28,    29,    30,    31,    32,    33,    34,    35,    -1,
674
      37,    38,    39,    40,    -1,    -1,    -1,    44,    45,    46,
675
      -1,    48,    21,    50,    23,    24,    25,    26,    27,    28,
676
      29,    30,    31,    32,    33,    34,    35,    -1,    37,    38,
677
      39,    40,    -1,    -1,    -1,    44,    45,    46,    -1,    48,
678
      21,    50,    23,    24,    25,    26,    27,    28,    29,    30,
679
      31,    32,    33,    34,    35,    -1,    37,    38,    39,    40,
680
      -1,    -1,    -1,    44,    45,    46,    -1,    48,    24,    25,
681
      26,    27,    28,    29,    30,    31,    32,    33,    34,    35,
682
      -1,    37,    38,    39,    40,    -1,    -1,    -1,    44,    45,
683
      46,    -1,    48,    25,    26,    27,    28,    29,    30,    31,
684
      32,    33,    34,    35,    -1,    37,    38,    39,    40,    -1,
685
      -1,    -1,    44,    45,    46,    -1,    48,    26,    27,    28,
686
      29,    30,    31,    32,    33,    34,    35,    -1,    37,    38,
687
      39,    40,    -1,    -1,    -1,    44,    45,    46,    -1,    48,
688
      28,    29,    30,    31,    32,    33,    34,    35,    -1,    37,
689
      38,    39,    40,    -1,    -1,    -1,    44,    45,    46,    -1,
690
      48,    32,    33,    34,    35,    -1,    37,    38,    39,    40,
691
      -1,    -1,    -1,    44,    45,    46,    -1,    48
692
};
693
 
694
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
695
   symbol of state STATE-NUM.  */
696
static const unsigned char yystos[] =
697
{
698
       0,    53,    54,     0,     3,     4,     5,     7,     8,     9,
699
      10,    11,    12,    13,    15,    16,    17,    18,    22,    36,
700
      38,    41,    42,    46,    48,    49,    55,    56,    57,    58,
701
      64,    65,    66,    67,    68,    69,    71,     7,     8,     9,
702
      49,    70,    70,    46,    70,    58,    68,    58,    58,    46,
703
      46,    57,    69,    19,    21,    23,    24,    25,    26,    27,
704
      28,    29,    30,    31,    32,    33,    34,    35,    37,    38,
705
      39,    40,    44,    45,    46,    48,    13,    46,    13,    58,
706
      68,    58,    58,    50,    58,    58,    58,    58,    58,    58,
707
      58,    58,    58,    58,    58,    58,    58,    58,    58,    58,
708
      58,    58,    63,    59,    60,    61,    70,    58,    70,    50,
709
      50,    50,    50,    58,     6,    57,    58,    62,    50,    51,
710
      19,    50,    58
711
};
712
 
713
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
714
# define YYSIZE_T __SIZE_TYPE__
715
#endif
716
#if ! defined (YYSIZE_T) && defined (size_t)
717
# define YYSIZE_T size_t
718
#endif
719
#if ! defined (YYSIZE_T)
720
# if defined (__STDC__) || defined (__cplusplus)
721
#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
722
#  define YYSIZE_T size_t
723
# endif
724
#endif
725
#if ! defined (YYSIZE_T)
726
# define YYSIZE_T unsigned int
727
#endif
728
 
729
#define yyerrok         (yyerrstatus = 0)
730
#define yyclearin       (yychar = YYEMPTY)
731
#define YYEMPTY         (-2)
732
#define YYEOF           0
733
 
734
#define YYACCEPT        goto yyacceptlab
735
#define YYABORT         goto yyabortlab
736
#define YYERROR         goto yyerrorlab
737
 
738
 
739
/* Like YYERROR except do call yyerror.  This remains here temporarily
740
   to ease the transition to the new meaning of YYERROR, for GCC.
741
   Once GCC version 2 has supplanted version 1, this can go.  */
742
 
743
#define YYFAIL          goto yyerrlab
744
 
745
#define YYRECOVERING()  (!!yyerrstatus)
746
 
747
#define YYBACKUP(Token, Value)                                  \
748
do                                                              \
749
  if (yychar == YYEMPTY && yylen == 1)                          \
750
    {                                                           \
751
      yychar = (Token);                                         \
752
      yylval = (Value);                                         \
753
      yytoken = YYTRANSLATE (yychar);                           \
754
      YYPOPSTACK;                                               \
755
      goto yybackup;                                            \
756
    }                                                           \
757
  else                                                          \
758
    {                                                           \
759
      yyerror ("syntax error: cannot back up");\
760
      YYERROR;                                                  \
761
    }                                                           \
762
while (0)
763
 
764
#define YYTERROR        1
765
#define YYERRCODE       256
766
 
767
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
768
   are run).  */
769
 
770
#ifndef YYLLOC_DEFAULT
771
# define YYLLOC_DEFAULT(Current, Rhs, N)                \
772
   ((Current).first_line   = (Rhs)[1].first_line,       \
773
    (Current).first_column = (Rhs)[1].first_column,     \
774
    (Current).last_line    = (Rhs)[N].last_line,        \
775
    (Current).last_column  = (Rhs)[N].last_column)
776
#endif
777
 
778
/* YYLEX -- calling `yylex' with the right arguments.  */
779
 
780
#ifdef YYLEX_PARAM
781
# define YYLEX yylex (YYLEX_PARAM)
782
#else
783
# define YYLEX yylex ()
784
#endif
785
 
786
/* Enable debugging if requested.  */
787
#if YYDEBUG
788
 
789
# ifndef YYFPRINTF
790
#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
791
#  define YYFPRINTF fprintf
792
# endif
793
 
794
# define YYDPRINTF(Args)                        \
795
do {                                            \
796
  if (yydebug)                                  \
797
    YYFPRINTF Args;                             \
798
} while (0)
799
 
800
# define YYDSYMPRINT(Args)                      \
801
do {                                            \
802
  if (yydebug)                                  \
803
    yysymprint Args;                            \
804
} while (0)
805
 
806
# define YYDSYMPRINTF(Title, Token, Value, Location)            \
807
do {                                                            \
808
  if (yydebug)                                                  \
809
    {                                                           \
810
      YYFPRINTF (stderr, "%s ", Title);                         \
811
      yysymprint (stderr,                                       \
812
                  Token, Value);        \
813
      YYFPRINTF (stderr, "\n");                                 \
814
    }                                                           \
815
} while (0)
816
 
817
/*------------------------------------------------------------------.
818
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
819
| TOP (included).                                                   |
820
`------------------------------------------------------------------*/
821
 
822
#if defined (__STDC__) || defined (__cplusplus)
823
static void
824
yy_stack_print (short *bottom, short *top)
825
#else
826
static void
827
yy_stack_print (bottom, top)
828
    short *bottom;
829
    short *top;
830
#endif
831
{
832
  YYFPRINTF (stderr, "Stack now");
833
  for (/* Nothing. */; bottom <= top; ++bottom)
834
    YYFPRINTF (stderr, " %d", *bottom);
835
  YYFPRINTF (stderr, "\n");
836
}
837
 
838
# define YY_STACK_PRINT(Bottom, Top)                            \
839
do {                                                            \
840
  if (yydebug)                                                  \
841
    yy_stack_print ((Bottom), (Top));                           \
842
} while (0)
843
 
844
 
845
/*------------------------------------------------.
846
| Report that the YYRULE is going to be reduced.  |
847
`------------------------------------------------*/
848
 
849
#if defined (__STDC__) || defined (__cplusplus)
850
static void
851
yy_reduce_print (int yyrule)
852
#else
853
static void
854
yy_reduce_print (yyrule)
855
    int yyrule;
856
#endif
857
{
858
  int yyi;
859
  unsigned int yylno = yyrline[yyrule];
860
  YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
861
             yyrule - 1, yylno);
862
  /* Print the symbols being reduced, and their result.  */
863
  for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
864
    YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
865
  YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
866
}
867
 
868
# define YY_REDUCE_PRINT(Rule)          \
869
do {                                    \
870
  if (yydebug)                          \
871
    yy_reduce_print (Rule);             \
872
} while (0)
873
 
874
/* Nonzero means print parse trace.  It is left uninitialized so that
875
   multiple parsers can coexist.  */
876
int yydebug;
877
#else /* !YYDEBUG */
878
# define YYDPRINTF(Args)
879
# define YYDSYMPRINT(Args)
880
# define YYDSYMPRINTF(Title, Token, Value, Location)
881
# define YY_STACK_PRINT(Bottom, Top)
882
# define YY_REDUCE_PRINT(Rule)
883
#endif /* !YYDEBUG */
884
 
885
 
886
/* YYINITDEPTH -- initial size of the parser's stacks.  */
887
#ifndef YYINITDEPTH
888
# define YYINITDEPTH 200
889
#endif
890
 
891
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
892
   if the built-in stack extension method is used).
893
 
894
   Do not make this value too large; the results are undefined if
895
   SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
896
   evaluated with infinite-precision integer arithmetic.  */
897
 
898
#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
899
# undef YYMAXDEPTH
900
#endif
901
 
902
#ifndef YYMAXDEPTH
903
# define YYMAXDEPTH 10000
904
#endif
905
 
906
 
907
 
908
#if YYERROR_VERBOSE
909
 
910
# ifndef yystrlen
911
#  if defined (__GLIBC__) && defined (_STRING_H)
912
#   define yystrlen strlen
913
#  else
914
/* Return the length of YYSTR.  */
915
static YYSIZE_T
916
#   if defined (__STDC__) || defined (__cplusplus)
917
yystrlen (const char *yystr)
918
#   else
919
yystrlen (yystr)
920
     const char *yystr;
921
#   endif
922
{
923
  register const char *yys = yystr;
924
 
925
  while (*yys++ != '\0')
926
    continue;
927
 
928
  return yys - yystr - 1;
929
}
930
#  endif
931
# endif
932
 
933
# ifndef yystpcpy
934
#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
935
#   define yystpcpy stpcpy
936
#  else
937
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
938
   YYDEST.  */
939
static char *
940
#   if defined (__STDC__) || defined (__cplusplus)
941
yystpcpy (char *yydest, const char *yysrc)
942
#   else
943
yystpcpy (yydest, yysrc)
944
     char *yydest;
945
     const char *yysrc;
946
#   endif
947
{
948
  register char *yyd = yydest;
949
  register const char *yys = yysrc;
950
 
951
  while ((*yyd++ = *yys++) != '\0')
952
    continue;
953
 
954
  return yyd - 1;
955
}
956
#  endif
957
# endif
958
 
959
#endif /* !YYERROR_VERBOSE */
960
 
961
 
962
 
963
#if YYDEBUG
964
/*--------------------------------.
965
| Print this symbol on YYOUTPUT.  |
966
`--------------------------------*/
967
 
968
#if defined (__STDC__) || defined (__cplusplus)
969
static void
970
yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
971
#else
972
static void
973
yysymprint (yyoutput, yytype, yyvaluep)
974
    FILE *yyoutput;
975
    int yytype;
976
    YYSTYPE *yyvaluep;
977
#endif
978
{
979
  /* Pacify ``unused variable'' warnings.  */
980
  (void) yyvaluep;
981
 
982
  if (yytype < YYNTOKENS)
983
    {
984
      YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
985
# ifdef YYPRINT
986
      YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
987
# endif
988
    }
989
  else
990
    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
991
 
992
  switch (yytype)
993
    {
994
      default:
995
        break;
996
    }
997
  YYFPRINTF (yyoutput, ")");
998
}
999
 
1000
#endif /* ! YYDEBUG */
1001
/*-----------------------------------------------.
1002
| Release the memory associated to this symbol.  |
1003
`-----------------------------------------------*/
1004
 
1005
#if defined (__STDC__) || defined (__cplusplus)
1006
static void
1007
yydestruct (int yytype, YYSTYPE *yyvaluep)
1008
#else
1009
static void
1010
yydestruct (yytype, yyvaluep)
1011
    int yytype;
1012
    YYSTYPE *yyvaluep;
1013
#endif
1014
{
1015
  /* Pacify ``unused variable'' warnings.  */
1016
  (void) yyvaluep;
1017
 
1018
  switch (yytype)
1019
    {
1020
 
1021
      default:
1022
        break;
1023
    }
1024
}
1025
 
1026
 
1027
/* Prevent warnings from -Wmissing-prototypes.  */
1028
 
1029
#ifdef YYPARSE_PARAM
1030
# if defined (__STDC__) || defined (__cplusplus)
1031
int yyparse (void *YYPARSE_PARAM);
1032
# else
1033
int yyparse ();
1034
# endif
1035
#else /* ! YYPARSE_PARAM */
1036
#if defined (__STDC__) || defined (__cplusplus)
1037
int yyparse (void);
1038
#else
1039
int yyparse ();
1040
#endif
1041
#endif /* ! YYPARSE_PARAM */
1042
 
1043
 
1044
 
1045
/* The lookahead symbol.  */
1046
int yychar;
1047
 
1048
/* The semantic value of the lookahead symbol.  */
1049
YYSTYPE yylval;
1050
 
1051
/* Number of syntax errors so far.  */
1052
int yynerrs;
1053
 
1054
 
1055
 
1056
/*----------.
1057
| yyparse.  |
1058
`----------*/
1059
 
1060
#ifdef YYPARSE_PARAM
1061
# if defined (__STDC__) || defined (__cplusplus)
1062
int yyparse (void *YYPARSE_PARAM)
1063
# else
1064
int yyparse (YYPARSE_PARAM)
1065
  void *YYPARSE_PARAM;
1066
# endif
1067
#else /* ! YYPARSE_PARAM */
1068
#if defined (__STDC__) || defined (__cplusplus)
1069
int
1070
yyparse (void)
1071
#else
1072
int
1073
yyparse ()
1074
 
1075
#endif
1076
#endif
1077
{
1078
 
1079
  register int yystate;
1080
  register int yyn;
1081
  int yyresult;
1082
  /* Number of tokens to shift before error messages enabled.  */
1083
  int yyerrstatus;
1084
  /* Lookahead token as an internal (translated) token number.  */
1085
  int yytoken = 0;
1086
 
1087
  /* Three stacks and their tools:
1088
     `yyss': related to states,
1089
     `yyvs': related to semantic values,
1090
     `yyls': related to locations.
1091
 
1092
     Refer to the stacks thru separate pointers, to allow yyoverflow
1093
     to xreallocate them elsewhere.  */
1094
 
1095
  /* The state stack.  */
1096
  short yyssa[YYINITDEPTH];
1097
  short *yyss = yyssa;
1098
  register short *yyssp;
1099
 
1100
  /* The semantic value stack.  */
1101
  YYSTYPE yyvsa[YYINITDEPTH];
1102
  YYSTYPE *yyvs = yyvsa;
1103
  register YYSTYPE *yyvsp;
1104
 
1105
 
1106
 
1107
#define YYPOPSTACK   (yyvsp--, yyssp--)
1108
 
1109
  YYSIZE_T yystacksize = YYINITDEPTH;
1110
 
1111
  /* The variables used to return semantic value and location from the
1112
     action routines.  */
1113
  YYSTYPE yyval;
1114
 
1115
 
1116
  /* When reducing, the number of symbols on the RHS of the reduced
1117
     rule.  */
1118
  int yylen;
1119
 
1120
  YYDPRINTF ((stderr, "Starting parse\n"));
1121
 
1122
  yystate = 0;
1123
  yyerrstatus = 0;
1124
  yynerrs = 0;
1125
  yychar = YYEMPTY;             /* Cause a token to be read.  */
1126
 
1127
  /* Initialize stack pointers.
1128
     Waste one element of value and location stack
1129
     so that they stay on the same level as the state stack.
1130
     The wasted elements are never initialized.  */
1131
 
1132
  yyssp = yyss;
1133
  yyvsp = yyvs;
1134
 
1135
  goto yysetstate;
1136
 
1137
/*------------------------------------------------------------.
1138
| yynewstate -- Push a new state, which is found in yystate.  |
1139
`------------------------------------------------------------*/
1140
 yynewstate:
1141
  /* In all cases, when you get here, the value and location stacks
1142
     have just been pushed. so pushing a state here evens the stacks.
1143
     */
1144
  yyssp++;
1145
 
1146
 yysetstate:
1147
  *yyssp = yystate;
1148
 
1149
  if (yyss + yystacksize - 1 <= yyssp)
1150
    {
1151
      /* Get the current used size of the three stacks, in elements.  */
1152
      YYSIZE_T yysize = yyssp - yyss + 1;
1153
 
1154
#ifdef yyoverflow
1155
      {
1156
        /* Give user a chance to xreallocate the stack. Use copies of
1157
           these so that the &'s don't force the real ones into
1158
           memory.  */
1159
        YYSTYPE *yyvs1 = yyvs;
1160
        short *yyss1 = yyss;
1161
 
1162
 
1163
        /* Each stack pointer address is followed by the size of the
1164
           data in use in that stack, in bytes.  This used to be a
1165
           conditional around just the two extra args, but that might
1166
           be undefined if yyoverflow is a macro.  */
1167
        yyoverflow ("parser stack overflow",
1168
                    &yyss1, yysize * sizeof (*yyssp),
1169
                    &yyvs1, yysize * sizeof (*yyvsp),
1170
 
1171
                    &yystacksize);
1172
 
1173
        yyss = yyss1;
1174
        yyvs = yyvs1;
1175
      }
1176
#else /* no yyoverflow */
1177
# ifndef YYSTACK_RELOCATE
1178
      goto yyoverflowlab;
1179
# else
1180
      /* Extend the stack our own way.  */
1181
      if (YYMAXDEPTH <= yystacksize)
1182
        goto yyoverflowlab;
1183
      yystacksize *= 2;
1184
      if (YYMAXDEPTH < yystacksize)
1185
        yystacksize = YYMAXDEPTH;
1186
 
1187
      {
1188
        short *yyss1 = yyss;
1189
        union yyalloc *yyptr =
1190
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1191
        if (! yyptr)
1192
          goto yyoverflowlab;
1193
        YYSTACK_RELOCATE (yyss);
1194
        YYSTACK_RELOCATE (yyvs);
1195
 
1196
#  undef YYSTACK_RELOCATE
1197
        if (yyss1 != yyssa)
1198
          YYSTACK_FREE (yyss1);
1199
      }
1200
# endif
1201
#endif /* no yyoverflow */
1202
 
1203
      yyssp = yyss + yysize - 1;
1204
      yyvsp = yyvs + yysize - 1;
1205
 
1206
 
1207
      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1208
                  (unsigned long int) yystacksize));
1209
 
1210
      if (yyss + yystacksize - 1 <= yyssp)
1211
        YYABORT;
1212
    }
1213
 
1214
  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1215
 
1216
  goto yybackup;
1217
 
1218
/*-----------.
1219
| yybackup.  |
1220
`-----------*/
1221
yybackup:
1222
 
1223
/* Do appropriate processing given the current state.  */
1224
/* Read a lookahead token if we need one and don't already have one.  */
1225
/* yyresume: */
1226
 
1227
  /* First try to decide what to do without reference to lookahead token.  */
1228
 
1229
  yyn = yypact[yystate];
1230
  if (yyn == YYPACT_NINF)
1231
    goto yydefault;
1232
 
1233
  /* Not known => get a lookahead token if don't already have one.  */
1234
 
1235
  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
1236
  if (yychar == YYEMPTY)
1237
    {
1238
      YYDPRINTF ((stderr, "Reading a token: "));
1239
      yychar = YYLEX;
1240
    }
1241
 
1242
  if (yychar <= YYEOF)
1243
    {
1244
      yychar = yytoken = YYEOF;
1245
      YYDPRINTF ((stderr, "Now at end of input.\n"));
1246
    }
1247
  else
1248
    {
1249
      yytoken = YYTRANSLATE (yychar);
1250
      YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
1251
    }
1252
 
1253
  /* If the proper action on seeing token YYTOKEN is to reduce or to
1254
     detect an error, take that action.  */
1255
  yyn += yytoken;
1256
  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1257
    goto yydefault;
1258
  yyn = yytable[yyn];
1259
  if (yyn <= 0)
1260
    {
1261
      if (yyn == 0 || yyn == YYTABLE_NINF)
1262
        goto yyerrlab;
1263
      yyn = -yyn;
1264
      goto yyreduce;
1265
    }
1266
 
1267
  if (yyn == YYFINAL)
1268
    YYACCEPT;
1269
 
1270
  /* Shift the lookahead token.  */
1271
  YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
1272
 
1273
  /* Discard the token being shifted unless it is eof.  */
1274
  if (yychar != YYEOF)
1275
    yychar = YYEMPTY;
1276
 
1277
  *++yyvsp = yylval;
1278
 
1279
 
1280
  /* Count tokens shifted since error; after three, turn off error
1281
     status.  */
1282
  if (yyerrstatus)
1283
    yyerrstatus--;
1284
 
1285
  yystate = yyn;
1286
  goto yynewstate;
1287
 
1288
 
1289
/*-----------------------------------------------------------.
1290
| yydefault -- do the default action for the current state.  |
1291
`-----------------------------------------------------------*/
1292
yydefault:
1293
  yyn = yydefact[yystate];
1294
  if (yyn == 0)
1295
    goto yyerrlab;
1296
  goto yyreduce;
1297
 
1298
 
1299
/*-----------------------------.
1300
| yyreduce -- Do a reduction.  |
1301
`-----------------------------*/
1302
yyreduce:
1303
  /* yyn is the number of a rule to reduce with.  */
1304
  yylen = yyr2[yyn];
1305
 
1306
  /* If YYLEN is nonzero, implement the default value of the action:
1307
     `$$ = $1'.
1308
 
1309
     Otherwise, the following line sets YYVAL to garbage.
1310
     This behavior is undocumented and Bison
1311
     users should not rely upon it.  Assigning to YYVAL
1312
     unconditionally makes the parser a bit smaller, and it avoids a
1313
     GCC warning that YYVAL may be used uninitialized.  */
1314
  yyval = yyvsp[1-yylen];
1315
 
1316
 
1317
  YY_REDUCE_PRINT (yyn);
1318
  switch (yyn)
1319
    {
1320
        case 2:
1321
#line 235 "p-exp.y"
1322
    { current_type = NULL;
1323
                  search_field = 0;
1324
                  leftdiv_is_integer = 0;
1325
                }
1326
    break;
1327
 
1328
  case 3:
1329
#line 239 "p-exp.y"
1330
    {}
1331
    break;
1332
 
1333
  case 6:
1334
#line 248 "p-exp.y"
1335
    { write_exp_elt_opcode(OP_TYPE);
1336
                          write_exp_elt_type(yyvsp[0].tval);
1337
                          write_exp_elt_opcode(OP_TYPE);
1338
                          current_type = yyvsp[0].tval; }
1339
    break;
1340
 
1341
  case 8:
1342
#line 256 "p-exp.y"
1343
    { write_exp_elt_opcode (BINOP_COMMA); }
1344
    break;
1345
 
1346
  case 9:
1347
#line 261 "p-exp.y"
1348
    { write_exp_elt_opcode (UNOP_IND);
1349
                          if (current_type)
1350
                            current_type = TYPE_TARGET_TYPE (current_type); }
1351
    break;
1352
 
1353
  case 10:
1354
#line 267 "p-exp.y"
1355
    { write_exp_elt_opcode (UNOP_ADDR);
1356
                          if (current_type)
1357
                            current_type = TYPE_POINTER_TYPE (current_type); }
1358
    break;
1359
 
1360
  case 11:
1361
#line 273 "p-exp.y"
1362
    { write_exp_elt_opcode (UNOP_NEG); }
1363
    break;
1364
 
1365
  case 12:
1366
#line 277 "p-exp.y"
1367
    { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
1368
    break;
1369
 
1370
  case 13:
1371
#line 281 "p-exp.y"
1372
    { write_exp_elt_opcode (UNOP_PREINCREMENT); }
1373
    break;
1374
 
1375
  case 14:
1376
#line 285 "p-exp.y"
1377
    { write_exp_elt_opcode (UNOP_PREDECREMENT); }
1378
    break;
1379
 
1380
  case 15:
1381
#line 288 "p-exp.y"
1382
    { search_field = 1; }
1383
    break;
1384
 
1385
  case 16:
1386
#line 291 "p-exp.y"
1387
    { write_exp_elt_opcode (STRUCTOP_STRUCT);
1388
                          write_exp_string (yyvsp[0].sval);
1389
                          write_exp_elt_opcode (STRUCTOP_STRUCT);
1390
                          search_field = 0;
1391
                          if (current_type)
1392
                            { while (TYPE_CODE (current_type) == TYPE_CODE_PTR)
1393
                                current_type = TYPE_TARGET_TYPE (current_type);
1394
                              current_type = lookup_struct_elt_type (
1395
                                current_type, yyvsp[0].sval.ptr, 0); };
1396
                         }
1397
    break;
1398
 
1399
  case 17:
1400
#line 303 "p-exp.y"
1401
    { char *arrayname;
1402
                          int arrayfieldindex;
1403
                          arrayfieldindex = is_pascal_string_type (
1404
                                current_type, NULL, NULL,
1405
                                NULL, NULL, &arrayname);
1406
                          if (arrayfieldindex)
1407
                            {
1408
                              struct stoken stringsval;
1409
                              stringsval.ptr = alloca (strlen (arrayname) + 1);
1410
                              stringsval.length = strlen (arrayname);
1411
                              strcpy (stringsval.ptr, arrayname);
1412
                              current_type = TYPE_FIELD_TYPE (current_type,
1413
                                arrayfieldindex - 1);
1414
                              write_exp_elt_opcode (STRUCTOP_STRUCT);
1415
                              write_exp_string (stringsval);
1416
                              write_exp_elt_opcode (STRUCTOP_STRUCT);
1417
                            }
1418
                          push_current_type ();  }
1419
    break;
1420
 
1421
  case 18:
1422
#line 322 "p-exp.y"
1423
    { pop_current_type ();
1424
                          write_exp_elt_opcode (BINOP_SUBSCRIPT);
1425
                          if (current_type)
1426
                            current_type = TYPE_TARGET_TYPE (current_type); }
1427
    break;
1428
 
1429
  case 19:
1430
#line 331 "p-exp.y"
1431
    { push_current_type ();
1432
                          start_arglist (); }
1433
    break;
1434
 
1435
  case 20:
1436
#line 334 "p-exp.y"
1437
    { write_exp_elt_opcode (OP_FUNCALL);
1438
                          write_exp_elt_longcst ((LONGEST) end_arglist ());
1439
                          write_exp_elt_opcode (OP_FUNCALL);
1440
                          pop_current_type ();
1441
                          if (current_type)
1442
                            current_type = TYPE_TARGET_TYPE (current_type);
1443
                        }
1444
    break;
1445
 
1446
  case 22:
1447
#line 345 "p-exp.y"
1448
    { arglist_len = 1; }
1449
    break;
1450
 
1451
  case 23:
1452
#line 347 "p-exp.y"
1453
    { arglist_len++; }
1454
    break;
1455
 
1456
  case 24:
1457
#line 351 "p-exp.y"
1458
    { if (current_type)
1459
                            {
1460
                              /* Allow automatic dereference of classes.  */
1461
                              if ((TYPE_CODE (current_type) == TYPE_CODE_PTR)
1462
                                  && (TYPE_CODE (TYPE_TARGET_TYPE (current_type)) == TYPE_CODE_CLASS)
1463
                                  && (TYPE_CODE (yyvsp[-3].tval) == TYPE_CODE_CLASS))
1464
                                write_exp_elt_opcode (UNOP_IND);
1465
                            }
1466
                          write_exp_elt_opcode (UNOP_CAST);
1467
                          write_exp_elt_type (yyvsp[-3].tval);
1468
                          write_exp_elt_opcode (UNOP_CAST);
1469
                          current_type = yyvsp[-3].tval; }
1470
    break;
1471
 
1472
  case 25:
1473
#line 366 "p-exp.y"
1474
    { }
1475
    break;
1476
 
1477
  case 26:
1478
#line 372 "p-exp.y"
1479
    { write_exp_elt_opcode (BINOP_MUL); }
1480
    break;
1481
 
1482
  case 27:
1483
#line 375 "p-exp.y"
1484
    {
1485
                          if (current_type && is_integral_type (current_type))
1486
                            leftdiv_is_integer = 1;
1487
                        }
1488
    break;
1489
 
1490
  case 28:
1491
#line 380 "p-exp.y"
1492
    {
1493
                          if (leftdiv_is_integer && current_type
1494
                              && is_integral_type (current_type))
1495
                            {
1496
                              write_exp_elt_opcode (UNOP_CAST);
1497
                              write_exp_elt_type (parse_type->builtin_long_double);
1498
                              current_type = parse_type->builtin_long_double;
1499
                              write_exp_elt_opcode (UNOP_CAST);
1500
                              leftdiv_is_integer = 0;
1501
                            }
1502
 
1503
                          write_exp_elt_opcode (BINOP_DIV);
1504
                        }
1505
    break;
1506
 
1507
  case 29:
1508
#line 396 "p-exp.y"
1509
    { write_exp_elt_opcode (BINOP_INTDIV); }
1510
    break;
1511
 
1512
  case 30:
1513
#line 400 "p-exp.y"
1514
    { write_exp_elt_opcode (BINOP_REM); }
1515
    break;
1516
 
1517
  case 31:
1518
#line 404 "p-exp.y"
1519
    { write_exp_elt_opcode (BINOP_ADD); }
1520
    break;
1521
 
1522
  case 32:
1523
#line 408 "p-exp.y"
1524
    { write_exp_elt_opcode (BINOP_SUB); }
1525
    break;
1526
 
1527
  case 33:
1528
#line 412 "p-exp.y"
1529
    { write_exp_elt_opcode (BINOP_LSH); }
1530
    break;
1531
 
1532
  case 34:
1533
#line 416 "p-exp.y"
1534
    { write_exp_elt_opcode (BINOP_RSH); }
1535
    break;
1536
 
1537
  case 35:
1538
#line 420 "p-exp.y"
1539
    { write_exp_elt_opcode (BINOP_EQUAL);
1540
                          current_type = parse_type->builtin_bool;
1541
                        }
1542
    break;
1543
 
1544
  case 36:
1545
#line 426 "p-exp.y"
1546
    { write_exp_elt_opcode (BINOP_NOTEQUAL);
1547
                          current_type = parse_type->builtin_bool;
1548
                        }
1549
    break;
1550
 
1551
  case 37:
1552
#line 432 "p-exp.y"
1553
    { write_exp_elt_opcode (BINOP_LEQ);
1554
                          current_type = parse_type->builtin_bool;
1555
                        }
1556
    break;
1557
 
1558
  case 38:
1559
#line 438 "p-exp.y"
1560
    { write_exp_elt_opcode (BINOP_GEQ);
1561
                          current_type = parse_type->builtin_bool;
1562
                        }
1563
    break;
1564
 
1565
  case 39:
1566
#line 444 "p-exp.y"
1567
    { write_exp_elt_opcode (BINOP_LESS);
1568
                          current_type = parse_type->builtin_bool;
1569
                        }
1570
    break;
1571
 
1572
  case 40:
1573
#line 450 "p-exp.y"
1574
    { write_exp_elt_opcode (BINOP_GTR);
1575
                          current_type = parse_type->builtin_bool;
1576
                        }
1577
    break;
1578
 
1579
  case 41:
1580
#line 456 "p-exp.y"
1581
    { write_exp_elt_opcode (BINOP_BITWISE_AND); }
1582
    break;
1583
 
1584
  case 42:
1585
#line 460 "p-exp.y"
1586
    { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
1587
    break;
1588
 
1589
  case 43:
1590
#line 464 "p-exp.y"
1591
    { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
1592
    break;
1593
 
1594
  case 44:
1595
#line 468 "p-exp.y"
1596
    { write_exp_elt_opcode (BINOP_ASSIGN); }
1597
    break;
1598
 
1599
  case 45:
1600
#line 472 "p-exp.y"
1601
    { write_exp_elt_opcode (OP_BOOL);
1602
                          write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
1603
                          current_type = parse_type->builtin_bool;
1604
                          write_exp_elt_opcode (OP_BOOL); }
1605
    break;
1606
 
1607
  case 46:
1608
#line 479 "p-exp.y"
1609
    { write_exp_elt_opcode (OP_BOOL);
1610
                          write_exp_elt_longcst ((LONGEST) yyvsp[0].lval);
1611
                          current_type = parse_type->builtin_bool;
1612
                          write_exp_elt_opcode (OP_BOOL); }
1613
    break;
1614
 
1615
  case 47:
1616
#line 486 "p-exp.y"
1617
    { write_exp_elt_opcode (OP_LONG);
1618
                          write_exp_elt_type (yyvsp[0].typed_val_int.type);
1619
                          current_type = yyvsp[0].typed_val_int.type;
1620
                          write_exp_elt_longcst ((LONGEST)(yyvsp[0].typed_val_int.val));
1621
                          write_exp_elt_opcode (OP_LONG); }
1622
    break;
1623
 
1624
  case 48:
1625
#line 494 "p-exp.y"
1626
    { YYSTYPE val;
1627
                          parse_number (yyvsp[0].ssym.stoken.ptr, yyvsp[0].ssym.stoken.length, 0, &val);
1628
                          write_exp_elt_opcode (OP_LONG);
1629
                          write_exp_elt_type (val.typed_val_int.type);
1630
                          current_type = val.typed_val_int.type;
1631
                          write_exp_elt_longcst ((LONGEST)val.typed_val_int.val);
1632
                          write_exp_elt_opcode (OP_LONG);
1633
                        }
1634
    break;
1635
 
1636
  case 49:
1637
#line 506 "p-exp.y"
1638
    { write_exp_elt_opcode (OP_DOUBLE);
1639
                          write_exp_elt_type (yyvsp[0].typed_val_float.type);
1640
                          current_type = yyvsp[0].typed_val_float.type;
1641
                          write_exp_elt_dblcst (yyvsp[0].typed_val_float.dval);
1642
                          write_exp_elt_opcode (OP_DOUBLE); }
1643
    break;
1644
 
1645
  case 52:
1646
#line 521 "p-exp.y"
1647
    { write_exp_elt_opcode (OP_LONG);
1648
                          write_exp_elt_type (parse_type->builtin_int);
1649
                          CHECK_TYPEDEF (yyvsp[-1].tval);
1650
                          write_exp_elt_longcst ((LONGEST) TYPE_LENGTH (yyvsp[-1].tval));
1651
                          write_exp_elt_opcode (OP_LONG); }
1652
    break;
1653
 
1654
  case 53:
1655
#line 529 "p-exp.y"
1656
    { write_exp_elt_opcode (UNOP_SIZEOF); }
1657
    break;
1658
 
1659
  case 54:
1660
#line 532 "p-exp.y"
1661
    { /* C strings are converted into array constants with
1662
                             an explicit null byte added at the end.  Thus
1663
                             the array upper bound is the string length.
1664
                             There is no such thing in C as a completely empty
1665
                             string. */
1666
                          char *sp = yyvsp[0].sval.ptr; int count = yyvsp[0].sval.length;
1667
                          while (count-- > 0)
1668
                            {
1669
                              write_exp_elt_opcode (OP_LONG);
1670
                              write_exp_elt_type (parse_type->builtin_char);
1671
                              write_exp_elt_longcst ((LONGEST)(*sp++));
1672
                              write_exp_elt_opcode (OP_LONG);
1673
                            }
1674
                          write_exp_elt_opcode (OP_LONG);
1675
                          write_exp_elt_type (parse_type->builtin_char);
1676
                          write_exp_elt_longcst ((LONGEST)'\0');
1677
                          write_exp_elt_opcode (OP_LONG);
1678
                          write_exp_elt_opcode (OP_ARRAY);
1679
                          write_exp_elt_longcst ((LONGEST) 0);
1680
                          write_exp_elt_longcst ((LONGEST) (yyvsp[0].sval.length));
1681
                          write_exp_elt_opcode (OP_ARRAY); }
1682
    break;
1683
 
1684
  case 55:
1685
#line 557 "p-exp.y"
1686
    {
1687
                          struct value * this_val;
1688
                          struct type * this_type;
1689
                          write_exp_elt_opcode (OP_THIS);
1690
                          write_exp_elt_opcode (OP_THIS);
1691
                          /* we need type of this */
1692
                          this_val = value_of_this (0);
1693
                          if (this_val)
1694
                            this_type = value_type (this_val);
1695
                          else
1696
                            this_type = NULL;
1697
                          if (this_type)
1698
                            {
1699
                              if (TYPE_CODE (this_type) == TYPE_CODE_PTR)
1700
                                {
1701
                                  this_type = TYPE_TARGET_TYPE (this_type);
1702
                                  write_exp_elt_opcode (UNOP_IND);
1703
                                }
1704
                            }
1705
 
1706
                          current_type = this_type;
1707
                        }
1708
    break;
1709
 
1710
  case 56:
1711
#line 584 "p-exp.y"
1712
    {
1713
                          if (yyvsp[0].ssym.sym != 0)
1714
                              yyval.bval = SYMBOL_BLOCK_VALUE (yyvsp[0].ssym.sym);
1715
                          else
1716
                            {
1717
                              struct symtab *tem =
1718
                                  lookup_symtab (copy_name (yyvsp[0].ssym.stoken));
1719
                              if (tem)
1720
                                yyval.bval = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), STATIC_BLOCK);
1721
                              else
1722
                                error ("No file or function \"%s\".",
1723
                                       copy_name (yyvsp[0].ssym.stoken));
1724
                            }
1725
                        }
1726
    break;
1727
 
1728
  case 57:
1729
#line 601 "p-exp.y"
1730
    { struct symbol *tem
1731
                            = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
1732
                                             VAR_DOMAIN, (int *) NULL);
1733
                          if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
1734
                            error ("No function \"%s\" in specified context.",
1735
                                   copy_name (yyvsp[0].sval));
1736
                          yyval.bval = SYMBOL_BLOCK_VALUE (tem); }
1737
    break;
1738
 
1739
  case 58:
1740
#line 611 "p-exp.y"
1741
    { struct symbol *sym;
1742
                          sym = lookup_symbol (copy_name (yyvsp[0].sval), yyvsp[-2].bval,
1743
                                               VAR_DOMAIN, (int *) NULL);
1744
                          if (sym == 0)
1745
                            error ("No symbol \"%s\" in specified context.",
1746
                                   copy_name (yyvsp[0].sval));
1747
 
1748
                          write_exp_elt_opcode (OP_VAR_VALUE);
1749
                          /* block_found is set by lookup_symbol.  */
1750
                          write_exp_elt_block (block_found);
1751
                          write_exp_elt_sym (sym);
1752
                          write_exp_elt_opcode (OP_VAR_VALUE); }
1753
    break;
1754
 
1755
  case 59:
1756
#line 626 "p-exp.y"
1757
    {
1758
                          struct type *type = yyvsp[-2].tval;
1759
                          if (TYPE_CODE (type) != TYPE_CODE_STRUCT
1760
                              && TYPE_CODE (type) != TYPE_CODE_UNION)
1761
                            error ("`%s' is not defined as an aggregate type.",
1762
                                   TYPE_NAME (type));
1763
 
1764
                          write_exp_elt_opcode (OP_SCOPE);
1765
                          write_exp_elt_type (type);
1766
                          write_exp_string (yyvsp[0].sval);
1767
                          write_exp_elt_opcode (OP_SCOPE);
1768
                        }
1769
    break;
1770
 
1771
  case 61:
1772
#line 642 "p-exp.y"
1773
    {
1774
                          char *name = copy_name (yyvsp[0].sval);
1775
                          struct symbol *sym;
1776
                          struct minimal_symbol *msymbol;
1777
 
1778
                          sym =
1779
                            lookup_symbol (name, (const struct block *) NULL,
1780
                                           VAR_DOMAIN, (int *) NULL);
1781
                          if (sym)
1782
                            {
1783
                              write_exp_elt_opcode (OP_VAR_VALUE);
1784
                              write_exp_elt_block (NULL);
1785
                              write_exp_elt_sym (sym);
1786
                              write_exp_elt_opcode (OP_VAR_VALUE);
1787
                              break;
1788
                            }
1789
 
1790
                          msymbol = lookup_minimal_symbol (name, NULL, NULL);
1791
                          if (msymbol != NULL)
1792
                            write_exp_msymbol (msymbol);
1793
                          else if (!have_full_symbols () && !have_partial_symbols ())
1794
                            error ("No symbol table is loaded.  Use the \"file\" command.");
1795
                          else
1796
                            error ("No symbol \"%s\" in current context.", name);
1797
                        }
1798
    break;
1799
 
1800
  case 62:
1801
#line 670 "p-exp.y"
1802
    { struct symbol *sym = yyvsp[0].ssym.sym;
1803
 
1804
                          if (sym)
1805
                            {
1806
                              if (symbol_read_needs_frame (sym))
1807
                                {
1808
                                  if (innermost_block == 0
1809
                                      || contained_in (block_found,
1810
                                                       innermost_block))
1811
                                    innermost_block = block_found;
1812
                                }
1813
 
1814
                              write_exp_elt_opcode (OP_VAR_VALUE);
1815
                              /* We want to use the selected frame, not
1816
                                 another more inner frame which happens to
1817
                                 be in the same block.  */
1818
                              write_exp_elt_block (NULL);
1819
                              write_exp_elt_sym (sym);
1820
                              write_exp_elt_opcode (OP_VAR_VALUE);
1821
                              current_type = sym->type; }
1822
                          else if (yyvsp[0].ssym.is_a_field_of_this)
1823
                            {
1824
                              struct value * this_val;
1825
                              struct type * this_type;
1826
                              /* Object pascal: it hangs off of `this'.  Must
1827
                                 not inadvertently convert from a method call
1828
                                 to data ref.  */
1829
                              if (innermost_block == 0
1830
                                  || contained_in (block_found,
1831
                                                   innermost_block))
1832
                                innermost_block = block_found;
1833
                              write_exp_elt_opcode (OP_THIS);
1834
                              write_exp_elt_opcode (OP_THIS);
1835
                              write_exp_elt_opcode (STRUCTOP_PTR);
1836
                              write_exp_string (yyvsp[0].ssym.stoken);
1837
                              write_exp_elt_opcode (STRUCTOP_PTR);
1838
                              /* we need type of this */
1839
                              this_val = value_of_this (0);
1840
                              if (this_val)
1841
                                this_type = value_type (this_val);
1842
                              else
1843
                                this_type = NULL;
1844
                              if (this_type)
1845
                                current_type = lookup_struct_elt_type (
1846
                                  this_type,
1847
                                  copy_name (yyvsp[0].ssym.stoken), 0);
1848
                              else
1849
                                current_type = NULL;
1850
                            }
1851
                          else
1852
                            {
1853
                              struct minimal_symbol *msymbol;
1854
                              char *arg = copy_name (yyvsp[0].ssym.stoken);
1855
 
1856
                              msymbol =
1857
                                lookup_minimal_symbol (arg, NULL, NULL);
1858
                              if (msymbol != NULL)
1859
                                write_exp_msymbol (msymbol);
1860
                              else if (!have_full_symbols () && !have_partial_symbols ())
1861
                                error ("No symbol table is loaded.  Use the \"file\" command.");
1862
                              else
1863
                                error ("No symbol \"%s\" in current context.",
1864
                                       copy_name (yyvsp[0].ssym.stoken));
1865
                            }
1866
                        }
1867
    break;
1868
 
1869
  case 65:
1870
#line 754 "p-exp.y"
1871
    { yyval.tval = lookup_pointer_type (yyvsp[0].tval); }
1872
    break;
1873
 
1874
  case 66:
1875
#line 756 "p-exp.y"
1876
    { yyval.tval = yyvsp[0].tsym.type; }
1877
    break;
1878
 
1879
  case 67:
1880
#line 758 "p-exp.y"
1881
    { yyval.tval = lookup_struct (copy_name (yyvsp[0].sval),
1882
                                              expression_context_block); }
1883
    break;
1884
 
1885
  case 68:
1886
#line 761 "p-exp.y"
1887
    { yyval.tval = lookup_struct (copy_name (yyvsp[0].sval),
1888
                                              expression_context_block); }
1889
    break;
1890
 
1891
  case 69:
1892
#line 768 "p-exp.y"
1893
    { yyval.sval = yyvsp[0].ssym.stoken; }
1894
    break;
1895
 
1896
  case 70:
1897
#line 769 "p-exp.y"
1898
    { yyval.sval = yyvsp[0].ssym.stoken; }
1899
    break;
1900
 
1901
  case 71:
1902
#line 770 "p-exp.y"
1903
    { yyval.sval = yyvsp[0].tsym.stoken; }
1904
    break;
1905
 
1906
  case 72:
1907
#line 771 "p-exp.y"
1908
    { yyval.sval = yyvsp[0].ssym.stoken; }
1909
    break;
1910
 
1911
 
1912
    }
1913
 
1914
/* Line 1000 of yacc.c.  */
1915
#line 1916 "p-exp.c.tmp"
1916
 
1917
  yyvsp -= yylen;
1918
  yyssp -= yylen;
1919
 
1920
 
1921
  YY_STACK_PRINT (yyss, yyssp);
1922
 
1923
  *++yyvsp = yyval;
1924
 
1925
 
1926
  /* Now `shift' the result of the reduction.  Determine what state
1927
     that goes to, based on the state we popped back to and the rule
1928
     number reduced by.  */
1929
 
1930
  yyn = yyr1[yyn];
1931
 
1932
  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
1933
  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
1934
    yystate = yytable[yystate];
1935
  else
1936
    yystate = yydefgoto[yyn - YYNTOKENS];
1937
 
1938
  goto yynewstate;
1939
 
1940
 
1941
/*------------------------------------.
1942
| yyerrlab -- here on detecting error |
1943
`------------------------------------*/
1944
yyerrlab:
1945
  /* If not already recovering from an error, report this error.  */
1946
  if (!yyerrstatus)
1947
    {
1948
      ++yynerrs;
1949
#if YYERROR_VERBOSE
1950
      yyn = yypact[yystate];
1951
 
1952
      if (YYPACT_NINF < yyn && yyn < YYLAST)
1953
        {
1954
          YYSIZE_T yysize = 0;
1955
          int yytype = YYTRANSLATE (yychar);
1956
          const char* yyprefix;
1957
          char *yymsg;
1958
          int yyx;
1959
 
1960
          /* Start YYX at -YYN if negative to avoid negative indexes in
1961
             YYCHECK.  */
1962
          int yyxbegin = yyn < 0 ? -yyn : 0;
1963
 
1964
          /* Stay within bounds of both yycheck and yytname.  */
1965
          int yychecklim = YYLAST - yyn;
1966
          int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1967
          int yycount = 0;
1968
 
1969
          yyprefix = ", expecting ";
1970
          for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1971
            if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1972
              {
1973
                yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
1974
                yycount += 1;
1975
                if (yycount == 5)
1976
                  {
1977
                    yysize = 0;
1978
                    break;
1979
                  }
1980
              }
1981
          yysize += (sizeof ("syntax error, unexpected ")
1982
                     + yystrlen (yytname[yytype]));
1983
          yymsg = (char *) YYSTACK_ALLOC (yysize);
1984
          if (yymsg != 0)
1985
            {
1986
              char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
1987
              yyp = yystpcpy (yyp, yytname[yytype]);
1988
 
1989
              if (yycount < 5)
1990
                {
1991
                  yyprefix = ", expecting ";
1992
                  for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1993
                    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1994
                      {
1995
                        yyp = yystpcpy (yyp, yyprefix);
1996
                        yyp = yystpcpy (yyp, yytname[yyx]);
1997
                        yyprefix = " or ";
1998
                      }
1999
                }
2000
              yyerror (yymsg);
2001
              YYSTACK_FREE (yymsg);
2002
            }
2003
          else
2004
            yyerror ("syntax error; also virtual memory exhausted");
2005
        }
2006
      else
2007
#endif /* YYERROR_VERBOSE */
2008
        yyerror ("syntax error");
2009
    }
2010
 
2011
 
2012
 
2013
  if (yyerrstatus == 3)
2014
    {
2015
      /* If just tried and failed to reuse lookahead token after an
2016
         error, discard it.  */
2017
 
2018
      if (yychar <= YYEOF)
2019
        {
2020
          /* If at end of input, pop the error token,
2021
             then the rest of the stack, then return failure.  */
2022
          if (yychar == YYEOF)
2023
             for (;;)
2024
               {
2025
                 YYPOPSTACK;
2026
                 if (yyssp == yyss)
2027
                   YYABORT;
2028
                 YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
2029
                 yydestruct (yystos[*yyssp], yyvsp);
2030
               }
2031
        }
2032
      else
2033
        {
2034
          YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
2035
          yydestruct (yytoken, &yylval);
2036
          yychar = YYEMPTY;
2037
 
2038
        }
2039
    }
2040
 
2041
  /* Else will try to reuse lookahead token after shifting the error
2042
     token.  */
2043
  goto yyerrlab1;
2044
 
2045
 
2046
/*---------------------------------------------------.
2047
| yyerrorlab -- error raised explicitly by YYERROR.  |
2048
`---------------------------------------------------*/
2049
yyerrorlab:
2050
 
2051
#ifdef __GNUC__
2052
  /* Pacify GCC when the user code never invokes YYERROR and the label
2053
     yyerrorlab therefore never appears in user code.  */
2054
  if (0)
2055
     goto yyerrorlab;
2056
#endif
2057
 
2058
  yyvsp -= yylen;
2059
  yyssp -= yylen;
2060
  yystate = *yyssp;
2061
  goto yyerrlab1;
2062
 
2063
 
2064
/*-------------------------------------------------------------.
2065
| yyerrlab1 -- common code for both syntax error and YYERROR.  |
2066
`-------------------------------------------------------------*/
2067
yyerrlab1:
2068
  yyerrstatus = 3;      /* Each real token shifted decrements this.  */
2069
 
2070
  for (;;)
2071
    {
2072
      yyn = yypact[yystate];
2073
      if (yyn != YYPACT_NINF)
2074
        {
2075
          yyn += YYTERROR;
2076
          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
2077
            {
2078
              yyn = yytable[yyn];
2079
              if (0 < yyn)
2080
                break;
2081
            }
2082
        }
2083
 
2084
      /* Pop the current state because it cannot handle the error token.  */
2085
      if (yyssp == yyss)
2086
        YYABORT;
2087
 
2088
      YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
2089
      yydestruct (yystos[yystate], yyvsp);
2090
      YYPOPSTACK;
2091
      yystate = *yyssp;
2092
      YY_STACK_PRINT (yyss, yyssp);
2093
    }
2094
 
2095
  if (yyn == YYFINAL)
2096
    YYACCEPT;
2097
 
2098
  YYDPRINTF ((stderr, "Shifting error token, "));
2099
 
2100
  *++yyvsp = yylval;
2101
 
2102
 
2103
  yystate = yyn;
2104
  goto yynewstate;
2105
 
2106
 
2107
/*-------------------------------------.
2108
| yyacceptlab -- YYACCEPT comes here.  |
2109
`-------------------------------------*/
2110
yyacceptlab:
2111
  yyresult = 0;
2112
  goto yyreturn;
2113
 
2114
/*-----------------------------------.
2115
| yyabortlab -- YYABORT comes here.  |
2116
`-----------------------------------*/
2117
yyabortlab:
2118
  yyresult = 1;
2119
  goto yyreturn;
2120
 
2121
#ifndef yyoverflow
2122
/*----------------------------------------------.
2123
| yyoverflowlab -- parser overflow comes here.  |
2124
`----------------------------------------------*/
2125
yyoverflowlab:
2126
  yyerror ("parser stack overflow");
2127
  yyresult = 2;
2128
  /* Fall through.  */
2129
#endif
2130
 
2131
yyreturn:
2132
#ifndef yyoverflow
2133
  if (yyss != yyssa)
2134
    YYSTACK_FREE (yyss);
2135
#endif
2136
  return yyresult;
2137
}
2138
 
2139
 
2140
#line 785 "p-exp.y"
2141
 
2142
 
2143
/* Take care of parsing a number (anything that starts with a digit).
2144
   Set yylval and return the token type; update lexptr.
2145
   LEN is the number of characters in it.  */
2146
 
2147
/*** Needs some error checking for the float case ***/
2148
 
2149
static int
2150
parse_number (p, len, parsed_float, putithere)
2151
     char *p;
2152
     int len;
2153
     int parsed_float;
2154
     YYSTYPE *putithere;
2155
{
2156
  /* FIXME: Shouldn't these be unsigned?  We don't deal with negative values
2157
     here, and we do kind of silly things like cast to unsigned.  */
2158
  LONGEST n = 0;
2159
  LONGEST prevn = 0;
2160
  ULONGEST un;
2161
 
2162
  int i = 0;
2163
  int c;
2164
  int base = input_radix;
2165
  int unsigned_p = 0;
2166
 
2167
  /* Number of "L" suffixes encountered.  */
2168
  int long_p = 0;
2169
 
2170
  /* We have found a "L" or "U" suffix.  */
2171
  int found_suffix = 0;
2172
 
2173
  ULONGEST high_bit;
2174
  struct type *signed_type;
2175
  struct type *unsigned_type;
2176
 
2177
  if (parsed_float)
2178
    {
2179
      /* It's a float since it contains a point or an exponent.  */
2180
      char c;
2181
      int num = 0;       /* number of tokens scanned by scanf */
2182
      char saved_char = p[len];
2183
 
2184
      p[len] = 0;        /* null-terminate the token */
2185
      num = sscanf (p, "%" DOUBLEST_SCAN_FORMAT "%c",
2186
                    &putithere->typed_val_float.dval, &c);
2187
      p[len] = saved_char;      /* restore the input stream */
2188
      if (num != 1)             /* check scanf found ONLY a float ... */
2189
        return ERROR;
2190
      /* See if it has `f' or `l' suffix (float or long double).  */
2191
 
2192
      c = tolower (p[len - 1]);
2193
 
2194
      if (c == 'f')
2195
        putithere->typed_val_float.type = parse_type->builtin_float;
2196
      else if (c == 'l')
2197
        putithere->typed_val_float.type = parse_type->builtin_long_double;
2198
      else if (isdigit (c) || c == '.')
2199
        putithere->typed_val_float.type = parse_type->builtin_double;
2200
      else
2201
        return ERROR;
2202
 
2203
      return FLOAT;
2204
    }
2205
 
2206
  /* Handle base-switching prefixes 0x, 0t, 0d, 0 */
2207
  if (p[0] == '0')
2208
    switch (p[1])
2209
      {
2210
      case 'x':
2211
      case 'X':
2212
        if (len >= 3)
2213
          {
2214
            p += 2;
2215
            base = 16;
2216
            len -= 2;
2217
          }
2218
        break;
2219
 
2220
      case 't':
2221
      case 'T':
2222
      case 'd':
2223
      case 'D':
2224
        if (len >= 3)
2225
          {
2226
            p += 2;
2227
            base = 10;
2228
            len -= 2;
2229
          }
2230
        break;
2231
 
2232
      default:
2233
        base = 8;
2234
        break;
2235
      }
2236
 
2237
  while (len-- > 0)
2238
    {
2239
      c = *p++;
2240
      if (c >= 'A' && c <= 'Z')
2241
        c += 'a' - 'A';
2242
      if (c != 'l' && c != 'u')
2243
        n *= base;
2244
      if (c >= '0' && c <= '9')
2245
        {
2246
          if (found_suffix)
2247
            return ERROR;
2248
          n += i = c - '0';
2249
        }
2250
      else
2251
        {
2252
          if (base > 10 && c >= 'a' && c <= 'f')
2253
            {
2254
              if (found_suffix)
2255
                return ERROR;
2256
              n += i = c - 'a' + 10;
2257
            }
2258
          else if (c == 'l')
2259
            {
2260
              ++long_p;
2261
              found_suffix = 1;
2262
            }
2263
          else if (c == 'u')
2264
            {
2265
              unsigned_p = 1;
2266
              found_suffix = 1;
2267
            }
2268
          else
2269
            return ERROR;       /* Char not a digit */
2270
        }
2271
      if (i >= base)
2272
        return ERROR;           /* Invalid digit in this base */
2273
 
2274
      /* Portably test for overflow (only works for nonzero values, so make
2275
         a second check for zero).  FIXME: Can't we just make n and prevn
2276
         unsigned and avoid this?  */
2277
      if (c != 'l' && c != 'u' && (prevn >= n) && n != 0)
2278
        unsigned_p = 1;         /* Try something unsigned */
2279
 
2280
      /* Portably test for unsigned overflow.
2281
         FIXME: This check is wrong; for example it doesn't find overflow
2282
         on 0x123456789 when LONGEST is 32 bits.  */
2283
      if (c != 'l' && c != 'u' && n != 0)
2284
        {
2285
          if ((unsigned_p && (ULONGEST) prevn >= (ULONGEST) n))
2286
            error ("Numeric constant too large.");
2287
        }
2288
      prevn = n;
2289
    }
2290
 
2291
  /* An integer constant is an int, a long, or a long long.  An L
2292
     suffix forces it to be long; an LL suffix forces it to be long
2293
     long.  If not forced to a larger size, it gets the first type of
2294
     the above that it fits in.  To figure out whether it fits, we
2295
     shift it right and see whether anything remains.  Note that we
2296
     can't shift sizeof (LONGEST) * HOST_CHAR_BIT bits or more in one
2297
     operation, because many compilers will warn about such a shift
2298
     (which always produces a zero result).  Sometimes gdbarch_int_bit
2299
     or gdbarch_long_bit will be that big, sometimes not.  To deal with
2300
     the case where it is we just always shift the value more than
2301
     once, with fewer bits each time.  */
2302
 
2303
  un = (ULONGEST)n >> 2;
2304
  if (long_p == 0
2305
      && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0)
2306
    {
2307
      high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 1);
2308
 
2309
      /* A large decimal (not hex or octal) constant (between INT_MAX
2310
         and UINT_MAX) is a long or unsigned long, according to ANSI,
2311
         never an unsigned int, but this code treats it as unsigned
2312
         int.  This probably should be fixed.  GCC gives a warning on
2313
         such constants.  */
2314
 
2315
      unsigned_type = parse_type->builtin_unsigned_int;
2316
      signed_type = parse_type->builtin_int;
2317
    }
2318
  else if (long_p <= 1
2319
           && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0)
2320
    {
2321
      high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1);
2322
      unsigned_type = parse_type->builtin_unsigned_long;
2323
      signed_type = parse_type->builtin_long;
2324
    }
2325
  else
2326
    {
2327
      int shift;
2328
      if (sizeof (ULONGEST) * HOST_CHAR_BIT
2329
          < gdbarch_long_long_bit (parse_gdbarch))
2330
        /* A long long does not fit in a LONGEST.  */
2331
        shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
2332
      else
2333
        shift = (gdbarch_long_long_bit (parse_gdbarch) - 1);
2334
      high_bit = (ULONGEST) 1 << shift;
2335
      unsigned_type = parse_type->builtin_unsigned_long_long;
2336
      signed_type = parse_type->builtin_long_long;
2337
    }
2338
 
2339
   putithere->typed_val_int.val = n;
2340
 
2341
   /* If the high bit of the worked out type is set then this number
2342
      has to be unsigned. */
2343
 
2344
   if (unsigned_p || (n & high_bit))
2345
     {
2346
       putithere->typed_val_int.type = unsigned_type;
2347
     }
2348
   else
2349
     {
2350
       putithere->typed_val_int.type = signed_type;
2351
     }
2352
 
2353
   return INT;
2354
}
2355
 
2356
 
2357
struct type_push
2358
{
2359
  struct type *stored;
2360
  struct type_push *next;
2361
};
2362
 
2363
static struct type_push *tp_top = NULL;
2364
 
2365
static void
2366
push_current_type (void)
2367
{
2368
  struct type_push *tpnew;
2369
  tpnew = (struct type_push *) xmalloc (sizeof (struct type_push));
2370
  tpnew->next = tp_top;
2371
  tpnew->stored = current_type;
2372
  current_type = NULL;
2373
  tp_top = tpnew;
2374
}
2375
 
2376
static void
2377
pop_current_type (void)
2378
{
2379
  struct type_push *tp = tp_top;
2380
  if (tp)
2381
    {
2382
      current_type = tp->stored;
2383
      tp_top = tp->next;
2384
      xfree (tp);
2385
    }
2386
}
2387
 
2388
struct token
2389
{
2390
  char *operator;
2391
  int token;
2392
  enum exp_opcode opcode;
2393
};
2394
 
2395
static const struct token tokentab3[] =
2396
  {
2397
    {"shr", RSH, BINOP_END},
2398
    {"shl", LSH, BINOP_END},
2399
    {"and", ANDAND, BINOP_END},
2400
    {"div", DIV, BINOP_END},
2401
    {"not", NOT, BINOP_END},
2402
    {"mod", MOD, BINOP_END},
2403
    {"inc", INCREMENT, BINOP_END},
2404
    {"dec", DECREMENT, BINOP_END},
2405
    {"xor", XOR, BINOP_END}
2406
  };
2407
 
2408
static const struct token tokentab2[] =
2409
  {
2410
    {"or", OR, BINOP_END},
2411
    {"<>", NOTEQUAL, BINOP_END},
2412
    {"<=", LEQ, BINOP_END},
2413
    {">=", GEQ, BINOP_END},
2414
    {":=", ASSIGN, BINOP_END},
2415
    {"::", COLONCOLON, BINOP_END} };
2416
 
2417
/* Allocate uppercased var */
2418
/* make an uppercased copy of tokstart */
2419
static char * uptok (tokstart, namelen)
2420
  char *tokstart;
2421
  int namelen;
2422
{
2423
  int i;
2424
  char *uptokstart = (char *)xmalloc(namelen+1);
2425
  for (i = 0;i <= namelen;i++)
2426
    {
2427
      if ((tokstart[i]>='a' && tokstart[i]<='z'))
2428
        uptokstart[i] = tokstart[i]-('a'-'A');
2429
      else
2430
        uptokstart[i] = tokstart[i];
2431
    }
2432
  uptokstart[namelen]='\0';
2433
  return uptokstart;
2434
}
2435
/* Read one token, getting characters through lexptr.  */
2436
 
2437
 
2438
static int
2439
yylex ()
2440
{
2441
  int c;
2442
  int namelen;
2443
  unsigned int i;
2444
  char *tokstart;
2445
  char *uptokstart;
2446
  char *tokptr;
2447
  int explen, tempbufindex;
2448
  static char *tempbuf;
2449
  static int tempbufsize;
2450
 
2451
 retry:
2452
 
2453
  prev_lexptr = lexptr;
2454
 
2455
  tokstart = lexptr;
2456
  explen = strlen (lexptr);
2457
  /* See if it is a special token of length 3.  */
2458
  if (explen > 2)
2459
    for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++)
2460
      if (strncasecmp (tokstart, tokentab3[i].operator, 3) == 0
2461
          && (!isalpha (tokentab3[i].operator[0]) || explen == 3
2462
              || (!isalpha (tokstart[3]) && !isdigit (tokstart[3]) && tokstart[3] != '_')))
2463
        {
2464
          lexptr += 3;
2465
          yylval.opcode = tokentab3[i].opcode;
2466
          return tokentab3[i].token;
2467
        }
2468
 
2469
  /* See if it is a special token of length 2.  */
2470
  if (explen > 1)
2471
  for (i = 0; i < sizeof (tokentab2) / sizeof (tokentab2[0]); i++)
2472
      if (strncasecmp (tokstart, tokentab2[i].operator, 2) == 0
2473
          && (!isalpha (tokentab2[i].operator[0]) || explen == 2
2474
              || (!isalpha (tokstart[2]) && !isdigit (tokstart[2]) && tokstart[2] != '_')))
2475
        {
2476
          lexptr += 2;
2477
          yylval.opcode = tokentab2[i].opcode;
2478
          return tokentab2[i].token;
2479
        }
2480
 
2481
  switch (c = *tokstart)
2482
    {
2483
    case 0:
2484
      return 0;
2485
 
2486
    case ' ':
2487
    case '\t':
2488
    case '\n':
2489
      lexptr++;
2490
      goto retry;
2491
 
2492
    case '\'':
2493
      /* We either have a character constant ('0' or '\177' for example)
2494
         or we have a quoted symbol reference ('foo(int,int)' in object pascal
2495
         for example). */
2496
      lexptr++;
2497
      c = *lexptr++;
2498
      if (c == '\\')
2499
        c = parse_escape (parse_gdbarch, &lexptr);
2500
      else if (c == '\'')
2501
        error ("Empty character constant.");
2502
 
2503
      yylval.typed_val_int.val = c;
2504
      yylval.typed_val_int.type = parse_type->builtin_char;
2505
 
2506
      c = *lexptr++;
2507
      if (c != '\'')
2508
        {
2509
          namelen = skip_quoted (tokstart) - tokstart;
2510
          if (namelen > 2)
2511
            {
2512
              lexptr = tokstart + namelen;
2513
              if (lexptr[-1] != '\'')
2514
                error ("Unmatched single quote.");
2515
              namelen -= 2;
2516
              tokstart++;
2517
              uptokstart = uptok(tokstart,namelen);
2518
              goto tryname;
2519
            }
2520
          error ("Invalid character constant.");
2521
        }
2522
      return INT;
2523
 
2524
    case '(':
2525
      paren_depth++;
2526
      lexptr++;
2527
      return c;
2528
 
2529
    case ')':
2530
      if (paren_depth == 0)
2531
        return 0;
2532
      paren_depth--;
2533
      lexptr++;
2534
      return c;
2535
 
2536
    case ',':
2537
      if (comma_terminates && paren_depth == 0)
2538
        return 0;
2539
      lexptr++;
2540
      return c;
2541
 
2542
    case '.':
2543
      /* Might be a floating point number.  */
2544
      if (lexptr[1] < '0' || lexptr[1] > '9')
2545
        goto symbol;            /* Nope, must be a symbol. */
2546
      /* FALL THRU into number case.  */
2547
 
2548
    case '0':
2549
    case '1':
2550
    case '2':
2551
    case '3':
2552
    case '4':
2553
    case '5':
2554
    case '6':
2555
    case '7':
2556
    case '8':
2557
    case '9':
2558
      {
2559
        /* It's a number.  */
2560
        int got_dot = 0, got_e = 0, toktype;
2561
        char *p = tokstart;
2562
        int hex = input_radix > 10;
2563
 
2564
        if (c == '0' && (p[1] == 'x' || p[1] == 'X'))
2565
          {
2566
            p += 2;
2567
            hex = 1;
2568
          }
2569
        else if (c == '0' && (p[1]=='t' || p[1]=='T' || p[1]=='d' || p[1]=='D'))
2570
          {
2571
            p += 2;
2572
            hex = 0;
2573
          }
2574
 
2575
        for (;; ++p)
2576
          {
2577
            /* This test includes !hex because 'e' is a valid hex digit
2578
               and thus does not indicate a floating point number when
2579
               the radix is hex.  */
2580
            if (!hex && !got_e && (*p == 'e' || *p == 'E'))
2581
              got_dot = got_e = 1;
2582
            /* This test does not include !hex, because a '.' always indicates
2583
               a decimal floating point number regardless of the radix.  */
2584
            else if (!got_dot && *p == '.')
2585
              got_dot = 1;
2586
            else if (got_e && (p[-1] == 'e' || p[-1] == 'E')
2587
                     && (*p == '-' || *p == '+'))
2588
              /* This is the sign of the exponent, not the end of the
2589
                 number.  */
2590
              continue;
2591
            /* We will take any letters or digits.  parse_number will
2592
               complain if past the radix, or if L or U are not final.  */
2593
            else if ((*p < '0' || *p > '9')
2594
                     && ((*p < 'a' || *p > 'z')
2595
                                  && (*p < 'A' || *p > 'Z')))
2596
              break;
2597
          }
2598
        toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
2599
        if (toktype == ERROR)
2600
          {
2601
            char *err_copy = (char *) alloca (p - tokstart + 1);
2602
 
2603
            memcpy (err_copy, tokstart, p - tokstart);
2604
            err_copy[p - tokstart] = 0;
2605
            error ("Invalid number \"%s\".", err_copy);
2606
          }
2607
        lexptr = p;
2608
        return toktype;
2609
      }
2610
 
2611
    case '+':
2612
    case '-':
2613
    case '*':
2614
    case '/':
2615
    case '|':
2616
    case '&':
2617
    case '^':
2618
    case '~':
2619
    case '!':
2620
    case '@':
2621
    case '<':
2622
    case '>':
2623
    case '[':
2624
    case ']':
2625
    case '?':
2626
    case ':':
2627
    case '=':
2628
    case '{':
2629
    case '}':
2630
    symbol:
2631
      lexptr++;
2632
      return c;
2633
 
2634
    case '"':
2635
 
2636
      /* Build the gdb internal form of the input string in tempbuf,
2637
         translating any standard C escape forms seen.  Note that the
2638
         buffer is null byte terminated *only* for the convenience of
2639
         debugging gdb itself and printing the buffer contents when
2640
         the buffer contains no embedded nulls.  Gdb does not depend
2641
         upon the buffer being null byte terminated, it uses the length
2642
         string instead.  This allows gdb to handle C strings (as well
2643
         as strings in other languages) with embedded null bytes */
2644
 
2645
      tokptr = ++tokstart;
2646
      tempbufindex = 0;
2647
 
2648
      do {
2649
        /* Grow the static temp buffer if necessary, including allocating
2650
           the first one on demand. */
2651
        if (tempbufindex + 1 >= tempbufsize)
2652
          {
2653
            tempbuf = (char *) xrealloc (tempbuf, tempbufsize += 64);
2654
          }
2655
 
2656
        switch (*tokptr)
2657
          {
2658
          case '\0':
2659
          case '"':
2660
            /* Do nothing, loop will terminate. */
2661
            break;
2662
          case '\\':
2663
            tokptr++;
2664
            c = parse_escape (parse_gdbarch, &tokptr);
2665
            if (c == -1)
2666
              {
2667
                continue;
2668
              }
2669
            tempbuf[tempbufindex++] = c;
2670
            break;
2671
          default:
2672
            tempbuf[tempbufindex++] = *tokptr++;
2673
            break;
2674
          }
2675
      } while ((*tokptr != '"') && (*tokptr != '\0'));
2676
      if (*tokptr++ != '"')
2677
        {
2678
          error ("Unterminated string in expression.");
2679
        }
2680
      tempbuf[tempbufindex] = '\0';     /* See note above */
2681
      yylval.sval.ptr = tempbuf;
2682
      yylval.sval.length = tempbufindex;
2683
      lexptr = tokptr;
2684
      return (STRING);
2685
    }
2686
 
2687
  if (!(c == '_' || c == '$'
2688
        || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
2689
    /* We must have come across a bad character (e.g. ';').  */
2690
    error ("Invalid character '%c' in expression.", c);
2691
 
2692
  /* It's a name.  See how long it is.  */
2693
  namelen = 0;
2694
  for (c = tokstart[namelen];
2695
       (c == '_' || c == '$' || (c >= '0' && c <= '9')
2696
        || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '<');)
2697
    {
2698
      /* Template parameter lists are part of the name.
2699
         FIXME: This mishandles `print $a<4&&$a>3'.  */
2700
      if (c == '<')
2701
        {
2702
          int i = namelen;
2703
          int nesting_level = 1;
2704
          while (tokstart[++i])
2705
            {
2706
              if (tokstart[i] == '<')
2707
                nesting_level++;
2708
              else if (tokstart[i] == '>')
2709
                {
2710
                  if (--nesting_level == 0)
2711
                    break;
2712
                }
2713
            }
2714
          if (tokstart[i] == '>')
2715
            namelen = i;
2716
          else
2717
            break;
2718
        }
2719
 
2720
      /* do NOT uppercase internals because of registers !!! */
2721
      c = tokstart[++namelen];
2722
    }
2723
 
2724
  uptokstart = uptok(tokstart,namelen);
2725
 
2726
  /* The token "if" terminates the expression and is NOT
2727
     removed from the input stream.  */
2728
  if (namelen == 2 && uptokstart[0] == 'I' && uptokstart[1] == 'F')
2729
    {
2730
      xfree (uptokstart);
2731
      return 0;
2732
    }
2733
 
2734
  lexptr += namelen;
2735
 
2736
  tryname:
2737
 
2738
  /* Catch specific keywords.  Should be done with a data structure.  */
2739
  switch (namelen)
2740
    {
2741
    case 6:
2742
      if (strcmp (uptokstart, "OBJECT") == 0)
2743
        {
2744
          xfree (uptokstart);
2745
          return CLASS;
2746
        }
2747
      if (strcmp (uptokstart, "RECORD") == 0)
2748
        {
2749
          xfree (uptokstart);
2750
          return STRUCT;
2751
        }
2752
      if (strcmp (uptokstart, "SIZEOF") == 0)
2753
        {
2754
          xfree (uptokstart);
2755
          return SIZEOF;
2756
        }
2757
      break;
2758
    case 5:
2759
      if (strcmp (uptokstart, "CLASS") == 0)
2760
        {
2761
          xfree (uptokstart);
2762
          return CLASS;
2763
        }
2764
      if (strcmp (uptokstart, "FALSE") == 0)
2765
        {
2766
          yylval.lval = 0;
2767
          xfree (uptokstart);
2768
          return FALSEKEYWORD;
2769
        }
2770
      break;
2771
    case 4:
2772
      if (strcmp (uptokstart, "TRUE") == 0)
2773
        {
2774
          yylval.lval = 1;
2775
          xfree (uptokstart);
2776
          return TRUEKEYWORD;
2777
        }
2778
      if (strcmp (uptokstart, "SELF") == 0)
2779
        {
2780
          /* here we search for 'this' like
2781
             inserted in FPC stabs debug info */
2782
          static const char this_name[] = "this";
2783
 
2784
          if (lookup_symbol (this_name, expression_context_block,
2785
                             VAR_DOMAIN, (int *) NULL))
2786
            {
2787
              xfree (uptokstart);
2788
              return THIS;
2789
            }
2790
        }
2791
      break;
2792
    default:
2793
      break;
2794
    }
2795
 
2796
  yylval.sval.ptr = tokstart;
2797
  yylval.sval.length = namelen;
2798
 
2799
  if (*tokstart == '$')
2800
    {
2801
      /* $ is the normal prefix for pascal hexadecimal values
2802
        but this conflicts with the GDB use for debugger variables
2803
        so in expression to enter hexadecimal values
2804
        we still need to use C syntax with 0xff  */
2805
      write_dollar_variable (yylval.sval);
2806
      xfree (uptokstart);
2807
      return VARIABLE;
2808
    }
2809
 
2810
  /* Use token-type BLOCKNAME for symbols that happen to be defined as
2811
     functions or symtabs.  If this is not so, then ...
2812
     Use token-type TYPENAME for symbols that happen to be defined
2813
     currently as names of types; NAME for other symbols.
2814
     The caller is not constrained to care about the distinction.  */
2815
  {
2816
    char *tmp = copy_name (yylval.sval);
2817
    struct symbol *sym;
2818
    int is_a_field_of_this = 0;
2819
    int is_a_field = 0;
2820
    int hextype;
2821
 
2822
 
2823
    if (search_field && current_type)
2824
      is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
2825
    if (is_a_field)
2826
      sym = NULL;
2827
    else
2828
      sym = lookup_symbol (tmp, expression_context_block,
2829
                           VAR_DOMAIN, &is_a_field_of_this);
2830
    /* second chance uppercased (as Free Pascal does).  */
2831
    if (!sym && !is_a_field_of_this && !is_a_field)
2832
      {
2833
       for (i = 0; i <= namelen; i++)
2834
         {
2835
           if ((tmp[i] >= 'a' && tmp[i] <= 'z'))
2836
             tmp[i] -= ('a'-'A');
2837
         }
2838
       if (search_field && current_type)
2839
         is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
2840
       if (is_a_field)
2841
         sym = NULL;
2842
       else
2843
         sym = lookup_symbol (tmp, expression_context_block,
2844
                              VAR_DOMAIN, &is_a_field_of_this);
2845
       if (sym || is_a_field_of_this || is_a_field)
2846
         for (i = 0; i <= namelen; i++)
2847
           {
2848
             if ((tokstart[i] >= 'a' && tokstart[i] <= 'z'))
2849
               tokstart[i] -= ('a'-'A');
2850
           }
2851
      }
2852
    /* Third chance Capitalized (as GPC does).  */
2853
    if (!sym && !is_a_field_of_this && !is_a_field)
2854
      {
2855
       for (i = 0; i <= namelen; i++)
2856
         {
2857
           if (i == 0)
2858
             {
2859
              if ((tmp[i] >= 'a' && tmp[i] <= 'z'))
2860
                tmp[i] -= ('a'-'A');
2861
             }
2862
           else
2863
           if ((tmp[i] >= 'A' && tmp[i] <= 'Z'))
2864
             tmp[i] -= ('A'-'a');
2865
          }
2866
       if (search_field && current_type)
2867
         is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
2868
       if (is_a_field)
2869
         sym = NULL;
2870
       else
2871
         sym = lookup_symbol (tmp, expression_context_block,
2872
                              VAR_DOMAIN, &is_a_field_of_this);
2873
       if (sym || is_a_field_of_this || is_a_field)
2874
          for (i = 0; i <= namelen; i++)
2875
            {
2876
              if (i == 0)
2877
                {
2878
                  if ((tokstart[i] >= 'a' && tokstart[i] <= 'z'))
2879
                    tokstart[i] -= ('a'-'A');
2880
                }
2881
              else
2882
                if ((tokstart[i] >= 'A' && tokstart[i] <= 'Z'))
2883
                  tokstart[i] -= ('A'-'a');
2884
            }
2885
      }
2886
 
2887
    if (is_a_field)
2888
      {
2889
        tempbuf = (char *) xrealloc (tempbuf, namelen + 1);
2890
        strncpy (tempbuf, tokstart, namelen); tempbuf [namelen] = 0;
2891
        yylval.sval.ptr = tempbuf;
2892
        yylval.sval.length = namelen;
2893
        xfree (uptokstart);
2894
        return FIELDNAME;
2895
      }
2896
    /* Call lookup_symtab, not lookup_partial_symtab, in case there are
2897
       no psymtabs (coff, xcoff, or some future change to blow away the
2898
       psymtabs once once symbols are read).  */
2899
    if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
2900
        || lookup_symtab (tmp))
2901
      {
2902
        yylval.ssym.sym = sym;
2903
        yylval.ssym.is_a_field_of_this = is_a_field_of_this;
2904
        xfree (uptokstart);
2905
        return BLOCKNAME;
2906
      }
2907
    if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
2908
        {
2909
#if 1
2910
          /* Despite the following flaw, we need to keep this code enabled.
2911
             Because we can get called from check_stub_method, if we don't
2912
             handle nested types then it screws many operations in any
2913
             program which uses nested types.  */
2914
          /* In "A::x", if x is a member function of A and there happens
2915
             to be a type (nested or not, since the stabs don't make that
2916
             distinction) named x, then this code incorrectly thinks we
2917
             are dealing with nested types rather than a member function.  */
2918
 
2919
          char *p;
2920
          char *namestart;
2921
          struct symbol *best_sym;
2922
 
2923
          /* Look ahead to detect nested types.  This probably should be
2924
             done in the grammar, but trying seemed to introduce a lot
2925
             of shift/reduce and reduce/reduce conflicts.  It's possible
2926
             that it could be done, though.  Or perhaps a non-grammar, but
2927
             less ad hoc, approach would work well.  */
2928
 
2929
          /* Since we do not currently have any way of distinguishing
2930
             a nested type from a non-nested one (the stabs don't tell
2931
             us whether a type is nested), we just ignore the
2932
             containing type.  */
2933
 
2934
          p = lexptr;
2935
          best_sym = sym;
2936
          while (1)
2937
            {
2938
              /* Skip whitespace.  */
2939
              while (*p == ' ' || *p == '\t' || *p == '\n')
2940
                ++p;
2941
              if (*p == ':' && p[1] == ':')
2942
                {
2943
                  /* Skip the `::'.  */
2944
                  p += 2;
2945
                  /* Skip whitespace.  */
2946
                  while (*p == ' ' || *p == '\t' || *p == '\n')
2947
                    ++p;
2948
                  namestart = p;
2949
                  while (*p == '_' || *p == '$' || (*p >= '0' && *p <= '9')
2950
                         || (*p >= 'a' && *p <= 'z')
2951
                         || (*p >= 'A' && *p <= 'Z'))
2952
                    ++p;
2953
                  if (p != namestart)
2954
                    {
2955
                      struct symbol *cur_sym;
2956
                      /* As big as the whole rest of the expression, which is
2957
                         at least big enough.  */
2958
                      char *ncopy = alloca (strlen (tmp)+strlen (namestart)+3);
2959
                      char *tmp1;
2960
 
2961
                      tmp1 = ncopy;
2962
                      memcpy (tmp1, tmp, strlen (tmp));
2963
                      tmp1 += strlen (tmp);
2964
                      memcpy (tmp1, "::", 2);
2965
                      tmp1 += 2;
2966
                      memcpy (tmp1, namestart, p - namestart);
2967
                      tmp1[p - namestart] = '\0';
2968
                      cur_sym = lookup_symbol (ncopy, expression_context_block,
2969
                                               VAR_DOMAIN, (int *) NULL);
2970
                      if (cur_sym)
2971
                        {
2972
                          if (SYMBOL_CLASS (cur_sym) == LOC_TYPEDEF)
2973
                            {
2974
                              best_sym = cur_sym;
2975
                              lexptr = p;
2976
                            }
2977
                          else
2978
                            break;
2979
                        }
2980
                      else
2981
                        break;
2982
                    }
2983
                  else
2984
                    break;
2985
                }
2986
              else
2987
                break;
2988
            }
2989
 
2990
          yylval.tsym.type = SYMBOL_TYPE (best_sym);
2991
#else /* not 0 */
2992
          yylval.tsym.type = SYMBOL_TYPE (sym);
2993
#endif /* not 0 */
2994
          xfree (uptokstart);
2995
          return TYPENAME;
2996
        }
2997
    yylval.tsym.type
2998
      = language_lookup_primitive_type_by_name (parse_language,
2999
                                                parse_gdbarch, tmp);
3000
    if (yylval.tsym.type != NULL)
3001
      {
3002
        xfree (uptokstart);
3003
        return TYPENAME;
3004
      }
3005
 
3006
    /* Input names that aren't symbols but ARE valid hex numbers,
3007
       when the input radix permits them, can be names or numbers
3008
       depending on the parse.  Note we support radixes > 16 here.  */
3009
    if (!sym
3010
        && ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10)
3011
            || (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
3012
      {
3013
        YYSTYPE newlval;        /* Its value is ignored.  */
3014
        hextype = parse_number (tokstart, namelen, 0, &newlval);
3015
        if (hextype == INT)
3016
          {
3017
            yylval.ssym.sym = sym;
3018
            yylval.ssym.is_a_field_of_this = is_a_field_of_this;
3019
            xfree (uptokstart);
3020
            return NAME_OR_INT;
3021
          }
3022
      }
3023
 
3024
    xfree(uptokstart);
3025
    /* Any other kind of symbol */
3026
    yylval.ssym.sym = sym;
3027
    yylval.ssym.is_a_field_of_this = is_a_field_of_this;
3028
    return NAME;
3029
  }
3030
}
3031
 
3032
void
3033
yyerror (msg)
3034
     char *msg;
3035
{
3036
  if (prev_lexptr)
3037
    lexptr = prev_lexptr;
3038
 
3039
  error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
3040
}
3041
 
3042
 

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